81323172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1$

素因数の和:538

約数の個数: 144

約数和(自身を含む): 255370752

約数和(自身を除く): 174047580

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 41, 42, 51, 63, 68, 82, 84, 102, 119, 123, 126, 153, 164, 204, 238, 246, 252, 287, 306, 357, 369, 463, 476, 492, 574, 612, 697, 714, 738, 861, 926, 1071, 1148, 1389, 1394, 1428, 1476, 1722, 1852, 2091, 2142, 2583, 2778, 2788, 3241, 3444, 4167, 4182, 4284, 4879, 5166, 5556, 6273, 6482, 7871, 8334, 8364, 9723, 9758, 10332, 12546, 12964, 14637, 15742, 16668, 18983, 19446, 19516, 23613, 25092, 29169, 29274, 31484, 37966, 38892, 43911, 47226, 55097, 56949, 58338, 58548, 70839, 75932, 87822, 94452, 110194, 113898, 116676, 132881, 141678, 165291, 170847, 175644, 220388, 227796, 265762, 283356, 322711, 330582, 341694, 398643, 495873, 531524, 645422, 661164, 683388, 797286, 968133, 991746, 1195929, 1290844, 1594572, 1936266, 1983492, 2258977, 2391858, 2904399, 3872532, 4517954, 4783716, 5808798, 6776931, 9035908, 11617596, 13553862, 20330793, 27107724, 40661586, 81323172]

約数ペア:

[(1, 81323172), (2, 40661586), (3, 27107724), (4, 20330793), (6, 13553862), (7, 11617596), (9, 9035908), (12, 6776931), (14, 5808798), (17, 4783716), (18, 4517954), (21, 3872532), (28, 2904399), (34, 2391858), (36, 2258977), (41, 1983492), (42, 1936266), (51, 1594572), (63, 1290844), (68, 1195929), (82, 991746), (84, 968133), (102, 797286), (119, 683388), (123, 661164), (126, 645422), (153, 531524), (164, 495873), (204, 398643), (238, 341694), (246, 330582), (252, 322711), (287, 283356), (306, 265762), (357, 227796), (369, 220388), (463, 175644), (476, 170847), (492, 165291), (574, 141678), (612, 132881), (697, 116676), (714, 113898), (738, 110194), (861, 94452), (926, 87822), (1071, 75932), (1148, 70839), (1389, 58548), (1394, 58338), (1428, 56949), (1476, 55097), (1722, 47226), (1852, 43911), (2091, 38892), (2142, 37966), (2583, 31484), (2778, 29274), (2788, 29169), (3241, 25092), (3444, 23613), (4167, 19516), (4182, 19446), (4284, 18983), (4879, 16668), (5166, 15742), (5556, 14637), (6273, 12964), (6482, 12546), (7871, 10332), (8334, 9758), (8364, 9723)]