12121155

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8689}}^1$

素因数の和:8731

約数の個数: 24

約数和(自身を含む): 21690240

約数和(自身を除く): 9569085

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 8689, 26067, 43445, 78201, 130335, 269359, 391005, 808077, 1346795, 2424231, 4040385, 12121155]

約数ペア:

[(1, 12121155), (3, 4040385), (5, 2424231), (9, 1346795), (15, 808077), (31, 391005), (45, 269359), (93, 130335), (155, 78201), (279, 43445), (465, 26067), (1395, 8689)]