47720309

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 62979840

約数和(自身を除く): 15259531

約数列:

[1, 7, 13, 17, 91, 109, 119, 221, 283, 763, 1417, 1547, 1853, 1981, 3679, 4811, 9919, 12971, 24089, 25753, 30847, 33677, 62543, 168623, 215929, 401011, 437801, 524399, 2807077, 3670793, 6817187, 47720309]

約数ペア:

[(1, 47720309), (7, 6817187), (13, 3670793), (17, 2807077), (91, 524399), (109, 437801), (119, 401011), (221, 215929), (283, 168623), (763, 62543), (1417, 33677), (1547, 30847), (1853, 25753), (1981, 24089), (3679, 12971), (4811, 9919)]