1618929

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 2561832

約数和(自身を除く): 942903

約数列:

[1, 3, 9, 13, 39, 101, 117, 137, 303, 411, 909, 1233, 1313, 1781, 3939, 5343, 11817, 13837, 16029, 41511, 124533, 179881, 539643, 1618929]

約数ペア:

[(1, 1618929), (3, 539643), (9, 179881), (13, 124533), (39, 41511), (101, 16029), (117, 13837), (137, 11817), (303, 5343), (411, 3939), (909, 1781), (1233, 1313)]