1619631

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 2562560

約数和(自身を除く): 942929

約数列:

[1, 3, 9, 13, 39, 109, 117, 127, 327, 381, 981, 1143, 1417, 1651, 4251, 4953, 12753, 13843, 14859, 41529, 124587, 179959, 539877, 1619631]

約数ペア:

[(1, 1619631), (3, 539877), (9, 179959), (13, 124587), (39, 41529), (109, 14859), (117, 13843), (127, 12753), (327, 4953), (381, 4251), (981, 1651), (1143, 1417)]