1297998

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^2$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 3180240

約数和(自身を除く): 1882242

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 43, 54, 78, 86, 117, 129, 234, 258, 351, 387, 559, 702, 774, 1118, 1161, 1677, 1849, 2322, 3354, 3698, 5031, 5547, 10062, 11094, 15093, 16641, 24037, 30186, 33282, 48074, 49923, 72111, 99846, 144222, 216333, 432666, 648999, 1297998]

約数ペア:

[(1, 1297998), (2, 648999), (3, 432666), (6, 216333), (9, 144222), (13, 99846), (18, 72111), (26, 49923), (27, 48074), (39, 33282), (43, 30186), (54, 24037), (78, 16641), (86, 15093), (117, 11094), (129, 10062), (234, 5547), (258, 5031), (351, 3698), (387, 3354), (559, 2322), (702, 1849), (774, 1677), (1118, 1161)]