217423843

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{15823}}^1$

素因数の和:15994

約数の個数: 16

約数和(自身を含む): 269387776

約数和(自身を除く): 51963933

約数列:

[1, 7, 13, 91, 151, 1057, 1963, 13741, 15823, 110761, 205699, 1439893, 2389273, 16724911, 31060549, 217423843]

約数ペア:

[(1, 217423843), (7, 31060549), (13, 16724911), (91, 2389273), (151, 1439893), (1057, 205699), (1963, 110761), (13741, 15823)]