420171521

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{33893}}^1$

素因数の和:33941

約数の個数: 24

約数和(自身を含む): 556403904

約数和(自身を除く): 136232383

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1771, 12397, 33893, 237251, 372823, 779539, 1660757, 2609761, 5456773, 8574929, 18268327, 38197411, 60024503, 420171521]

約数ペア:

[(1, 420171521), (7, 60024503), (11, 38197411), (23, 18268327), (49, 8574929), (77, 5456773), (161, 2609761), (253, 1660757), (539, 779539), (1127, 372823), (1771, 237251), (12397, 33893)]