17960289

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 24442560

約数和(自身を除く): 6482271

約数列:

[1, 3, 89, 137, 267, 411, 491, 1473, 12193, 36579, 43699, 67267, 131097, 201801, 5986763, 17960289]

約数ペア:

[(1, 17960289), (3, 5986763), (89, 201801), (137, 131097), (267, 67267), (411, 43699), (491, 36579), (1473, 12193)]