12686409

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 20275200

約数和(自身を除く): 7588791

約数列:

[1, 3, 9, 23, 27, 31, 69, 93, 207, 279, 621, 659, 713, 837, 1977, 2139, 5931, 6417, 15157, 17793, 19251, 20429, 45471, 61287, 136413, 183861, 409239, 469867, 551583, 1409601, 4228803, 12686409]

約数ペア:

[(1, 12686409), (3, 4228803), (9, 1409601), (23, 551583), (27, 469867), (31, 409239), (69, 183861), (93, 136413), (207, 61287), (279, 45471), (621, 20429), (659, 19251), (713, 17793), (837, 15157), (1977, 6417), (2139, 5931)]