90909855

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{353}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 162358560

約数和(自身を除く): 71448705

約数列:

[1, 3, 5, 9, 15, 45, 59, 97, 177, 291, 295, 353, 485, 531, 873, 885, 1059, 1455, 1765, 2655, 3177, 4365, 5295, 5723, 15885, 17169, 20827, 28615, 34241, 51507, 62481, 85845, 102723, 104135, 171205, 187443, 257535, 308169, 312405, 513615, 937215, 1540845, 2020219, 6060657, 10101095, 18181971, 30303285, 90909855]

約数ペア:

[(1, 90909855), (3, 30303285), (5, 18181971), (9, 10101095), (15, 6060657), (45, 2020219), (59, 1540845), (97, 937215), (177, 513615), (291, 312405), (295, 308169), (353, 257535), (485, 187443), (531, 171205), (873, 104135), (885, 102723), (1059, 85845), (1455, 62481), (1765, 51507), (2655, 34241), (3177, 28615), (4365, 20827), (5295, 17169), (5723, 15885)]