12990645

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2347}}^1$

素因数の和:2402

約数の個数: 32

約数和(自身を含む): 23667840

約数和(自身を除く): 10677195

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 615, 1107, 1845, 2347, 5535, 7041, 11735, 21123, 35205, 63369, 96227, 105615, 288681, 316845, 481135, 866043, 1443405, 2598129, 4330215, 12990645]

約数ペア:

[(1, 12990645), (3, 4330215), (5, 2598129), (9, 1443405), (15, 866043), (27, 481135), (41, 316845), (45, 288681), (123, 105615), (135, 96227), (205, 63369), (369, 35205), (615, 21123), (1107, 11735), (1845, 7041), (2347, 5535)]