15999375

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:106

約数の個数: 80

約数和(自身を含む): 32389632

約数和(自身を除く): 16390257

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 53, 69, 75, 105, 115, 125, 159, 161, 175, 265, 345, 371, 375, 483, 525, 575, 625, 795, 805, 875, 1113, 1219, 1325, 1725, 1855, 1875, 2415, 2625, 2875, 3657, 3975, 4025, 4375, 5565, 6095, 6625, 8533, 8625, 9275, 12075, 13125, 14375, 18285, 19875, 20125, 25599, 27825, 30475, 33125, 42665, 43125, 46375, 60375, 91425, 99375, 100625, 127995, 139125, 152375, 213325, 231875, 301875, 457125, 639975, 695625, 761875, 1066625, 2285625, 3199875, 5333125, 15999375]

約数ペア:

[(1, 15999375), (3, 5333125), (5, 3199875), (7, 2285625), (15, 1066625), (21, 761875), (23, 695625), (25, 639975), (35, 457125), (53, 301875), (69, 231875), (75, 213325), (105, 152375), (115, 139125), (125, 127995), (159, 100625), (161, 99375), (175, 91425), (265, 60375), (345, 46375), (371, 43125), (375, 42665), (483, 33125), (525, 30475), (575, 27825), (625, 25599), (795, 20125), (805, 19875), (875, 18285), (1113, 14375), (1219, 13125), (1325, 12075), (1725, 9275), (1855, 8625), (1875, 8533), (2415, 6625), (2625, 6095), (2875, 5565), (3657, 4375), (3975, 4025)]