81325125

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:500

約数の個数: 96

約数和(自身を含む): 175219200

約数和(自身を除く): 93894075

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 25, 35, 45, 63, 69, 75, 105, 115, 125, 161, 175, 207, 225, 315, 345, 375, 449, 483, 525, 575, 805, 875, 1035, 1125, 1347, 1449, 1575, 1725, 2245, 2415, 2625, 2875, 3143, 4025, 4041, 5175, 6735, 7245, 7875, 8625, 9429, 10327, 11225, 12075, 15715, 20125, 20205, 25875, 28287, 30981, 33675, 36225, 47145, 51635, 56125, 60375, 72289, 78575, 92943, 101025, 141435, 154905, 168375, 181125, 216867, 235725, 258175, 361445, 392875, 464715, 505125, 650601, 707175, 774525, 1084335, 1178625, 1290875, 1807225, 2323575, 3253005, 3535875, 3872625, 5421675, 9036125, 11617875, 16265025, 27108375, 81325125]

約数ペア:

[(1, 81325125), (3, 27108375), (5, 16265025), (7, 11617875), (9, 9036125), (15, 5421675), (21, 3872625), (23, 3535875), (25, 3253005), (35, 2323575), (45, 1807225), (63, 1290875), (69, 1178625), (75, 1084335), (105, 774525), (115, 707175), (125, 650601), (161, 505125), (175, 464715), (207, 392875), (225, 361445), (315, 258175), (345, 235725), (375, 216867), (449, 181125), (483, 168375), (525, 154905), (575, 141435), (805, 101025), (875, 92943), (1035, 78575), (1125, 72289), (1347, 60375), (1449, 56125), (1575, 51635), (1725, 47145), (2245, 36225), (2415, 33675), (2625, 30981), (2875, 28287), (3143, 25875), (4025, 20205), (4041, 20125), (5175, 15715), (6735, 12075), (7245, 11225), (7875, 10327), (8625, 9429)]