163980375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{33637}}^1$

素因数の和:33668

約数の個数: 32

約数和(自身を含む): 293861568

約数和(自身を除く): 129881193

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4875, 33637, 100911, 168185, 437281, 504555, 840925, 1311843, 2186405, 2522775, 4204625, 6559215, 10932025, 12613875, 32796075, 54660125, 163980375]

約数ペア:

[(1, 163980375), (3, 54660125), (5, 32796075), (13, 12613875), (15, 10932025), (25, 6559215), (39, 4204625), (65, 2522775), (75, 2186405), (125, 1311843), (195, 840925), (325, 504555), (375, 437281), (975, 168185), (1625, 100911), (4875, 33637)]