350811

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 20

約数和(自身を含む): 540144

約数和(自身を除く): 189333

約数列:

[1, 3, 9, 27, 61, 71, 81, 183, 213, 549, 639, 1647, 1917, 4331, 4941, 5751, 12993, 38979, 116937, 350811]

約数ペア:

[(1, 350811), (3, 116937), (9, 38979), (27, 12993), (61, 5751), (71, 4941), (81, 4331), (183, 1917), (213, 1647), (549, 639)]