161763237

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{42491}}^1$

素因数の和:42550

約数の個数: 20

約数和(自身を含む): 246793536

約数和(自身を除く): 85030299

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 42491, 127473, 382419, 1147257, 1997077, 3441771, 5991231, 17973693, 53921079, 161763237]

約数ペア:

[(1, 161763237), (3, 53921079), (9, 17973693), (27, 5991231), (47, 3441771), (81, 1997077), (141, 1147257), (423, 382419), (1269, 127473), (3807, 42491)]