2951613

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 5362560

約数和(自身を除く): 2410947

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 97, 147, 161, 189, 207, 291, 441, 483, 621, 679, 873, 1127, 1323, 1449, 2037, 2231, 2619, 3381, 4347, 4753, 6111, 6693, 10143, 14259, 15617, 18333, 20079, 30429, 42777, 46851, 60237, 109319, 128331, 140553, 327957, 421659, 983871, 2951613]

約数ペア:

[(1, 2951613), (3, 983871), (7, 421659), (9, 327957), (21, 140553), (23, 128331), (27, 109319), (49, 60237), (63, 46851), (69, 42777), (97, 30429), (147, 20079), (161, 18333), (189, 15617), (207, 14259), (291, 10143), (441, 6693), (483, 6111), (621, 4753), (679, 4347), (873, 3381), (1127, 2619), (1323, 2231), (1449, 2037)]