217633507

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{140681}}^1$

素因数の和:140718

約数の個数: 16

約数和(自身を含む): 283614912

約数和(自身を除く): 65981405

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 140681, 984767, 1828853, 2391577, 12801971, 16741039, 31090501, 217633507]

約数ペア:

[(1, 217633507), (7, 31090501), (13, 16741039), (17, 12801971), (91, 2391577), (119, 1828853), (221, 984767), (1547, 140681)]