1212304443

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1031}}^1$

素因数の和:1488

約数の個数: 48

約数和(自身を含む): 1985898240

約数和(自身を除く): 773593797

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 421, 931, 1031, 1263, 2793, 2947, 3093, 7217, 7999, 8841, 19589, 20629, 21651, 23997, 50519, 55993, 58767, 61887, 137123, 151557, 167979, 391951, 411369, 434051, 959861, 1175853, 1302153, 2879583, 3038357, 8246969, 9115071, 21268499, 24740907, 57728783, 63805497, 173186349, 404101481, 1212304443]

約数ペア:

[(1, 1212304443), (3, 404101481), (7, 173186349), (19, 63805497), (21, 57728783), (49, 24740907), (57, 21268499), (133, 9115071), (147, 8246969), (399, 3038357), (421, 2879583), (931, 1302153), (1031, 1175853), (1263, 959861), (2793, 434051), (2947, 411369), (3093, 391951), (7217, 167979), (7999, 151557), (8841, 137123), (19589, 61887), (20629, 58767), (21651, 55993), (23997, 50519)]