12861423

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 40

約数和(自身を含む): 20705520

約数和(自身を除く): 7844097

約数列:

[1, 3, 9, 19, 27, 57, 61, 81, 137, 171, 183, 411, 513, 549, 1159, 1233, 1539, 1647, 2603, 3477, 3699, 4941, 7809, 8357, 10431, 11097, 23427, 25071, 31293, 70281, 75213, 93879, 158783, 210843, 225639, 476349, 676917, 1429047, 4287141, 12861423]

約数ペア:

[(1, 12861423), (3, 4287141), (9, 1429047), (19, 676917), (27, 476349), (57, 225639), (61, 210843), (81, 158783), (137, 93879), (171, 75213), (183, 70281), (411, 31293), (513, 25071), (549, 23427), (1159, 11097), (1233, 10431), (1539, 8357), (1647, 7809), (2603, 4941), (3477, 3699)]