212909085

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{152623}}^1$

素因数の和:152665

約数の個数: 24

約数和(自身を含む): 380949504

約数和(自身を除く): 168040419

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 152623, 457869, 763115, 1373607, 2289345, 4731313, 6868035, 14193939, 23656565, 42581817, 70969695, 212909085]

約数ペア:

[(1, 212909085), (3, 70969695), (5, 42581817), (9, 23656565), (15, 14193939), (31, 6868035), (45, 4731313), (93, 2289345), (155, 1373607), (279, 763115), (465, 457869), (1395, 152623)]