55686075

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 97422336

約数和(自身を除く): 41736261

約数列:

[1, 3, 5, 15, 25, 31, 43, 75, 93, 129, 155, 215, 465, 557, 645, 775, 1075, 1333, 1671, 2325, 2785, 3225, 3999, 6665, 8355, 13925, 17267, 19995, 23951, 33325, 41775, 51801, 71853, 86335, 99975, 119755, 259005, 359265, 431675, 598775, 742481, 1295025, 1796325, 2227443, 3712405, 11137215, 18562025, 55686075]

約数ペア:

[(1, 55686075), (3, 18562025), (5, 11137215), (15, 3712405), (25, 2227443), (31, 1796325), (43, 1295025), (75, 742481), (93, 598775), (129, 431675), (155, 359265), (215, 259005), (465, 119755), (557, 99975), (645, 86335), (775, 71853), (1075, 51801), (1333, 41775), (1671, 33325), (2325, 23951), (2785, 19995), (3225, 17267), (3999, 13925), (6665, 8355)]