1866501

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 3459456

約数和(自身を除く): 1592955

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 53, 63, 91, 117, 129, 159, 273, 301, 371, 387, 477, 559, 689, 819, 903, 1113, 1677, 2067, 2279, 2709, 3339, 3913, 4823, 5031, 6201, 6837, 11739, 14469, 15953, 20511, 29627, 35217, 43407, 47859, 88881, 143577, 207389, 266643, 622167, 1866501]

約数ペア:

[(1, 1866501), (3, 622167), (7, 266643), (9, 207389), (13, 143577), (21, 88881), (39, 47859), (43, 43407), (53, 35217), (63, 29627), (91, 20511), (117, 15953), (129, 14469), (159, 11739), (273, 6837), (301, 6201), (371, 5031), (387, 4823), (477, 3913), (559, 3339), (689, 2709), (819, 2279), (903, 2067), (1113, 1677)]