17899791

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{379}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 29621760

約数和(自身を除く): 11721969

約数列:

[1, 3, 7, 13, 21, 39, 91, 173, 273, 379, 519, 1137, 1211, 2249, 2653, 3633, 4927, 6747, 7959, 14781, 15743, 34489, 47229, 65567, 103467, 196701, 458969, 852371, 1376907, 2557113, 5966597, 17899791]

約数ペア:

[(1, 17899791), (3, 5966597), (7, 2557113), (13, 1376907), (21, 852371), (39, 458969), (91, 196701), (173, 103467), (273, 65567), (379, 47229), (519, 34489), (1137, 15743), (1211, 14781), (2249, 7959), (2653, 6747), (3633, 4927)]