215716501

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{13}}^2\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 295774848

約数和(自身を除く): 80058347

約数列:

[1, 7, 11, 13, 77, 91, 121, 137, 143, 169, 847, 959, 1001, 1183, 1331, 1507, 1573, 1781, 1859, 9317, 10549, 11011, 12467, 13013, 16577, 17303, 19591, 20449, 23153, 116039, 121121, 137137, 143143, 162071, 182347, 215501, 224939, 254683, 1276429, 1508507, 1574573, 1782781, 2370511, 2801513, 16593577, 19610591, 30816643, 215716501]

約数ペア:

[(1, 215716501), (7, 30816643), (11, 19610591), (13, 16593577), (77, 2801513), (91, 2370511), (121, 1782781), (137, 1574573), (143, 1508507), (169, 1276429), (847, 254683), (959, 224939), (1001, 215501), (1183, 182347), (1331, 162071), (1507, 143143), (1573, 137137), (1781, 121121), (1859, 116039), (9317, 23153), (10549, 20449), (11011, 19591), (12467, 17303), (13013, 16577)]