201128991

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{64279}}^1$

素因数の和:64438

約数の個数: 16

約数和(自身を含む): 308544000

約数和(自身を除く): 107415009

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 64279, 192837, 449953, 1349859, 9577571, 28732713, 67042997, 201128991]

約数ペア:

[(1, 201128991), (3, 67042997), (7, 28732713), (21, 9577571), (149, 1349859), (447, 449953), (1043, 192837), (3129, 64279)]