1688193

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 2690688

約数和(自身を除く): 1002495

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 307, 423, 611, 921, 1833, 2763, 3991, 5499, 11973, 14429, 35919, 43287, 129861, 187577, 562731, 1688193]

約数ペア:

[(1, 1688193), (3, 562731), (9, 187577), (13, 129861), (39, 43287), (47, 35919), (117, 14429), (141, 11973), (307, 5499), (423, 3991), (611, 2763), (921, 1833)]