220380069

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42487}}^1$

素因数の和:42529

約数の個数: 32

約数和(自身を含む): 380692480

約数和(自身を除く): 160312411

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 42487, 127461, 297409, 552331, 807253, 892227, 1656993, 2421759, 3866317, 5650771, 10494289, 11598951, 16952313, 31482867, 73460023, 220380069]

約数ペア:

[(1, 220380069), (3, 73460023), (7, 31482867), (13, 16952313), (19, 11598951), (21, 10494289), (39, 5650771), (57, 3866317), (91, 2421759), (133, 1656993), (247, 892227), (273, 807253), (399, 552331), (741, 297409), (1729, 127461), (5187, 42487)]