407744253

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{967}}^1$

素因数の和:1103

約数の個数: 64

約数和(自身を含む): 728555520

約数和(自身を除く): 320811267

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 97, 161, 189, 207, 291, 483, 621, 679, 873, 967, 1449, 2037, 2231, 2619, 2901, 4347, 6111, 6693, 6769, 8703, 15617, 18333, 20079, 20307, 22241, 26109, 46851, 60237, 60921, 66723, 93799, 140553, 155687, 182763, 200169, 281397, 421659, 467061, 600507, 656593, 844191, 1401183, 1969779, 2157377, 2532573, 4203549, 5909337, 6472131, 15101639, 17728011, 19416393, 45304917, 58249179, 135914751, 407744253]

約数ペア:

[(1, 407744253), (3, 135914751), (7, 58249179), (9, 45304917), (21, 19416393), (23, 17728011), (27, 15101639), (63, 6472131), (69, 5909337), (97, 4203549), (161, 2532573), (189, 2157377), (207, 1969779), (291, 1401183), (483, 844191), (621, 656593), (679, 600507), (873, 467061), (967, 421659), (1449, 281397), (2037, 200169), (2231, 182763), (2619, 155687), (2901, 140553), (4347, 93799), (6111, 66723), (6693, 60921), (6769, 60237), (8703, 46851), (15617, 26109), (18333, 22241), (20079, 20307)]