30630717

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1531}}^1$

素因数の和:1575

約数の個数: 40

約数和(自身を含む): 51904160

約数和(自身を除く): 21273443

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 513, 741, 1053, 1531, 1539, 2223, 4593, 6669, 13779, 19903, 20007, 29089, 41337, 59709, 87267, 124011, 179127, 261801, 378157, 537381, 785403, 1134471, 1612143, 2356209, 3403413, 10210239, 30630717]

約数ペア:

[(1, 30630717), (3, 10210239), (9, 3403413), (13, 2356209), (19, 1612143), (27, 1134471), (39, 785403), (57, 537381), (81, 378157), (117, 261801), (171, 179127), (247, 124011), (351, 87267), (513, 59709), (741, 41337), (1053, 29089), (1531, 20007), (1539, 19903), (2223, 13779), (4593, 6669)]