9381905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:185

約数の個数: 32

約数和(自身を含む): 12870144

約数和(自身を除く): 3488239

約数列:

[1, 5, 13, 37, 47, 65, 83, 185, 235, 415, 481, 611, 1079, 1739, 2405, 3055, 3071, 3901, 5395, 8695, 15355, 19505, 22607, 39923, 50713, 113035, 144337, 199615, 253565, 721685, 1876381, 9381905]

約数ペア:

[(1, 9381905), (5, 1876381), (13, 721685), (37, 253565), (47, 199615), (65, 144337), (83, 113035), (185, 50713), (235, 39923), (415, 22607), (481, 19505), (611, 15355), (1079, 8695), (1739, 5395), (2405, 3901), (3055, 3071)]