217418901

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{116329}}^1$

素因数の和:116428

約数の個数: 16

約数和(自身を含む): 335030400

約数和(自身を除く): 117611499

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 116329, 348987, 814303, 2442909, 10353281, 31059843, 72472967, 217418901]

約数ペア:

[(1, 217418901), (3, 72472967), (7, 31059843), (21, 10353281), (89, 2442909), (267, 814303), (623, 348987), (1869, 116329)]