217985043

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{12457}}^1$

素因数の和:12786

約数の個数: 16

約数和(自身を含む): 306965120

約数和(自身を除く): 88980077

約数列:

[1, 3, 19, 57, 307, 921, 5833, 12457, 17499, 37371, 236683, 710049, 3824299, 11472897, 72661681, 217985043]

約数ペア:

[(1, 217985043), (3, 72661681), (19, 11472897), (57, 3824299), (307, 710049), (921, 236683), (5833, 37371), (12457, 17499)]