163968975

素因数分解:

$3^3\times 5^2\times {\mathrm{421}}^1\times {\mathrm{577}}^1$

素因数の和:1017

約数の個数: 48

約数和(自身を含む): 302455840

約数和(自身を除く): 138486865

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 421, 577, 675, 1263, 1731, 2105, 2885, 3789, 5193, 6315, 8655, 10525, 11367, 14425, 15579, 18945, 25965, 31575, 43275, 56835, 77895, 94725, 129825, 242917, 284175, 389475, 728751, 1214585, 2186253, 3643755, 6072925, 6558759, 10931265, 18218775, 32793795, 54656325, 163968975]

約数ペア:

[(1, 163968975), (3, 54656325), (5, 32793795), (9, 18218775), (15, 10931265), (25, 6558759), (27, 6072925), (45, 3643755), (75, 2186253), (135, 1214585), (225, 728751), (421, 389475), (577, 284175), (675, 242917), (1263, 129825), (1731, 94725), (2105, 77895), (2885, 56835), (3789, 43275), (5193, 31575), (6315, 25965), (8655, 18945), (10525, 15579), (11367, 14425)]