491613837

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67409}}^1$

素因数の和:67453

約数の個数: 32

約数和(自身を含む): 815391360

約数和(自身を除く): 323777523

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 2431, 7293, 67409, 202227, 741499, 876317, 1145953, 2224497, 2628951, 3437859, 9639487, 12605483, 14897389, 28918461, 37816449, 44692167, 163871279, 491613837]

約数ペア:

[(1, 491613837), (3, 163871279), (11, 44692167), (13, 37816449), (17, 28918461), (33, 14897389), (39, 12605483), (51, 9639487), (143, 3437859), (187, 2628951), (221, 2224497), (429, 1145953), (561, 876317), (663, 741499), (2431, 202227), (7293, 67409)]