28940535

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 54975648

約数和(自身を除く): 26035113

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 61, 65, 117, 183, 195, 305, 549, 585, 793, 811, 915, 2379, 2433, 2745, 3965, 4055, 7137, 7299, 10543, 11895, 12165, 31629, 35685, 36495, 49471, 52715, 94887, 148413, 158145, 247355, 445239, 474435, 643123, 742065, 1929369, 2226195, 3215615, 5788107, 9646845, 28940535]

約数ペア:

[(1, 28940535), (3, 9646845), (5, 5788107), (9, 3215615), (13, 2226195), (15, 1929369), (39, 742065), (45, 643123), (61, 474435), (65, 445239), (117, 247355), (183, 158145), (195, 148413), (305, 94887), (549, 52715), (585, 49471), (793, 36495), (811, 35685), (915, 31629), (2379, 12165), (2433, 11895), (2745, 10543), (3965, 7299), (4055, 7137)]