2551491

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 3981120

約数和(自身を除く): 1429629

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 347, 387, 817, 1041, 2451, 3123, 6593, 7353, 14921, 19779, 44763, 59337, 134289, 283499, 850497, 2551491]

約数ペア:

[(1, 2551491), (3, 850497), (9, 283499), (19, 134289), (43, 59337), (57, 44763), (129, 19779), (171, 14921), (347, 7353), (387, 6593), (817, 3123), (1041, 2451)]