388514259

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{18859}}^1$

素因数の和:18984

約数の個数: 32

約数和(自身を含む): 663872000

約数和(自身を除く): 275357741

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 189, 327, 763, 981, 2289, 2943, 6867, 18859, 20601, 56577, 132013, 169731, 396039, 509193, 1188117, 2055631, 3564351, 6166893, 14389417, 18500679, 43168251, 55502037, 129504753, 388514259]

約数ペア:

[(1, 388514259), (3, 129504753), (7, 55502037), (9, 43168251), (21, 18500679), (27, 14389417), (63, 6166893), (109, 3564351), (189, 2055631), (327, 1188117), (763, 509193), (981, 396039), (2289, 169731), (2943, 132013), (6867, 56577), (18859, 20601)]