68664375

素因数分解:

$3^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:355

約数の個数: 80

約数和(自身を含む): 137331040

約数和(自身を除く): 68666665

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 125, 135, 195, 225, 313, 325, 351, 375, 585, 625, 675, 939, 975, 1125, 1565, 1625, 1755, 1875, 2817, 2925, 3375, 4069, 4695, 4875, 5625, 7825, 8125, 8451, 8775, 12207, 14085, 14625, 16875, 20345, 23475, 24375, 36621, 39125, 42255, 43875, 61035, 70425, 73125, 101725, 109863, 117375, 183105, 195625, 211275, 219375, 305175, 352125, 508625, 549315, 586875, 915525, 1056375, 1525875, 1760625, 2543125, 2746575, 4577625, 5281875, 7629375, 13732875, 22888125, 68664375]

約数ペア:

[(1, 68664375), (3, 22888125), (5, 13732875), (9, 7629375), (13, 5281875), (15, 4577625), (25, 2746575), (27, 2543125), (39, 1760625), (45, 1525875), (65, 1056375), (75, 915525), (117, 586875), (125, 549315), (135, 508625), (195, 352125), (225, 305175), (313, 219375), (325, 211275), (351, 195625), (375, 183105), (585, 117375), (625, 109863), (675, 101725), (939, 73125), (975, 70425), (1125, 61035), (1565, 43875), (1625, 42255), (1755, 39125), (1875, 36621), (2817, 24375), (2925, 23475), (3375, 20345), (4069, 16875), (4695, 14625), (4875, 14085), (5625, 12207), (7825, 8775), (8125, 8451)]