28221156

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:858

約数の個数: 96

約数和(自身を含む): 81648000

約数和(自身を除く): 53426844

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 27, 34, 36, 38, 51, 54, 57, 68, 76, 102, 108, 114, 153, 171, 204, 228, 306, 323, 342, 459, 513, 612, 646, 684, 809, 918, 969, 1026, 1292, 1618, 1836, 1938, 2052, 2427, 2907, 3236, 3876, 4854, 5814, 7281, 8721, 9708, 11628, 13753, 14562, 15371, 17442, 21843, 27506, 29124, 30742, 34884, 41259, 43686, 46113, 55012, 61484, 82518, 87372, 92226, 123777, 138339, 165036, 184452, 247554, 261307, 276678, 371331, 415017, 495108, 522614, 553356, 742662, 783921, 830034, 1045228, 1485324, 1567842, 1660068, 2351763, 3135684, 4703526, 7055289, 9407052, 14110578, 28221156]

約数ペア:

[(1, 28221156), (2, 14110578), (3, 9407052), (4, 7055289), (6, 4703526), (9, 3135684), (12, 2351763), (17, 1660068), (18, 1567842), (19, 1485324), (27, 1045228), (34, 830034), (36, 783921), (38, 742662), (51, 553356), (54, 522614), (57, 495108), (68, 415017), (76, 371331), (102, 276678), (108, 261307), (114, 247554), (153, 184452), (171, 165036), (204, 138339), (228, 123777), (306, 92226), (323, 87372), (342, 82518), (459, 61484), (513, 55012), (612, 46113), (646, 43686), (684, 41259), (809, 34884), (918, 30742), (969, 29124), (1026, 27506), (1292, 21843), (1618, 17442), (1836, 15371), (1938, 14562), (2052, 13753), (2427, 11628), (2907, 9708), (3236, 8721), (3876, 7281), (4854, 5814)]