201421409

素因数分解:

$7^2\times {\mathrm{1619}}^1\times {\mathrm{2539}}^1$

素因数の和:4172

約数の個数: 12

約数和(自身を含む): 234543600

約数和(自身を除く): 33122191

約数列:

[1, 7, 49, 1619, 2539, 11333, 17773, 79331, 124411, 4110641, 28774487, 201421409]

約数ペア:

[(1, 201421409), (7, 28774487), (49, 4110641), (1619, 124411), (2539, 79331), (11333, 17773)]