258752013

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{26861}}^1$

素因数の和:26909

約数の個数: 24

約数和(自身を含む): 393259680

約数和(自身を除く): 134507667

約数列:

[1, 3, 13, 19, 39, 57, 169, 247, 507, 741, 3211, 9633, 26861, 80583, 349193, 510359, 1047579, 1531077, 4539509, 6634667, 13618527, 19904001, 86250671, 258752013]

約数ペア:

[(1, 258752013), (3, 86250671), (13, 19904001), (19, 13618527), (39, 6634667), (57, 4539509), (169, 1531077), (247, 1047579), (507, 510359), (741, 349193), (3211, 80583), (9633, 26861)]