2506917

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 4126720

約数和(自身を除く): 1619803

約数列:

[1, 3, 7, 19, 21, 57, 61, 103, 133, 183, 309, 399, 427, 721, 1159, 1281, 1957, 2163, 3477, 5871, 6283, 8113, 13699, 18849, 24339, 41097, 43981, 119377, 131943, 358131, 835639, 2506917]

約数ペア:

[(1, 2506917), (3, 835639), (7, 358131), (19, 131943), (21, 119377), (57, 43981), (61, 41097), (103, 24339), (133, 18849), (183, 13699), (309, 8113), (399, 6283), (427, 5871), (721, 3477), (1159, 2163), (1281, 1957)]