201218451

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{17327}}^1$

素因数の和:17423

約数の個数: 24

約数和(自身を含む): 316062720

約数和(自身を除く): 114844269

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1659, 3871, 11613, 17327, 51981, 121289, 363867, 849023, 1368833, 2547069, 4106499, 9581831, 28745493, 67072817, 201218451]

約数ペア:

[(1, 201218451), (3, 67072817), (7, 28745493), (21, 9581831), (49, 4106499), (79, 2547069), (147, 1368833), (237, 849023), (553, 363867), (1659, 121289), (3871, 51981), (11613, 17327)]