81645084

素因数分解:

$2^2\times 3^9\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 120

約数和(自身を含む): 230641488

約数和(自身を除く): 148996404

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 61, 68, 81, 102, 108, 122, 153, 162, 183, 204, 243, 244, 306, 324, 366, 459, 486, 549, 612, 729, 732, 918, 972, 1037, 1098, 1377, 1458, 1647, 1836, 2074, 2187, 2196, 2754, 2916, 3111, 3294, 4131, 4148, 4374, 4941, 5508, 6222, 6561, 6588, 8262, 8748, 9333, 9882, 12393, 12444, 13122, 14823, 16524, 18666, 19683, 19764, 24786, 26244, 27999, 29646, 37179, 37332, 39366, 44469, 49572, 55998, 59292, 74358, 78732, 83997, 88938, 111537, 111996, 133407, 148716, 167994, 177876, 223074, 251991, 266814, 334611, 335988, 400221, 446148, 503982, 533628, 669222, 755973, 800442, 1007964, 1200663, 1338444, 1511946, 1600884, 2267919, 2401326, 3023892, 4535838, 4802652, 6803757, 9071676, 13607514, 20411271, 27215028, 40822542, 81645084]

約数ペア:

[(1, 81645084), (2, 40822542), (3, 27215028), (4, 20411271), (6, 13607514), (9, 9071676), (12, 6803757), (17, 4802652), (18, 4535838), (27, 3023892), (34, 2401326), (36, 2267919), (51, 1600884), (54, 1511946), (61, 1338444), (68, 1200663), (81, 1007964), (102, 800442), (108, 755973), (122, 669222), (153, 533628), (162, 503982), (183, 446148), (204, 400221), (243, 335988), (244, 334611), (306, 266814), (324, 251991), (366, 223074), (459, 177876), (486, 167994), (549, 148716), (612, 133407), (729, 111996), (732, 111537), (918, 88938), (972, 83997), (1037, 78732), (1098, 74358), (1377, 59292), (1458, 55998), (1647, 49572), (1836, 44469), (2074, 39366), (2187, 37332), (2196, 37179), (2754, 29646), (2916, 27999), (3111, 26244), (3294, 24786), (4131, 19764), (4148, 19683), (4374, 18666), (4941, 16524), (5508, 14823), (6222, 13122), (6561, 12444), (6588, 12393), (8262, 9882), (8748, 9333)]