27686625

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 50409216

約数和(自身を除く): 22722591

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 75, 85, 101, 125, 129, 215, 255, 303, 375, 425, 505, 645, 731, 1075, 1275, 1515, 1717, 2125, 2193, 2525, 3225, 3655, 4343, 5151, 5375, 6375, 7575, 8585, 10965, 12625, 13029, 16125, 18275, 21715, 25755, 37875, 42925, 54825, 65145, 73831, 91375, 108575, 128775, 214625, 221493, 274125, 325725, 369155, 542875, 643875, 1107465, 1628625, 1845775, 5537325, 9228875, 27686625]

約数ペア:

[(1, 27686625), (3, 9228875), (5, 5537325), (15, 1845775), (17, 1628625), (25, 1107465), (43, 643875), (51, 542875), (75, 369155), (85, 325725), (101, 274125), (125, 221493), (129, 214625), (215, 128775), (255, 108575), (303, 91375), (375, 73831), (425, 65145), (505, 54825), (645, 42925), (731, 37875), (1075, 25755), (1275, 21715), (1515, 18275), (1717, 16125), (2125, 13029), (2193, 12625), (2525, 10965), (3225, 8585), (3655, 7575), (4343, 6375), (5151, 5375)]