7901955

素因数分解:

$3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:305

約数の個数: 40

約数和(自身を含む): 14374800

約数和(自身を除く): 6472845

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 179, 327, 405, 537, 545, 895, 981, 1611, 1635, 2685, 2943, 4833, 4905, 8055, 8829, 14499, 14715, 19511, 24165, 44145, 58533, 72495, 97555, 175599, 292665, 526797, 877995, 1580391, 2633985, 7901955]

約数ペア:

[(1, 7901955), (3, 2633985), (5, 1580391), (9, 877995), (15, 526797), (27, 292665), (45, 175599), (81, 97555), (109, 72495), (135, 58533), (179, 44145), (327, 24165), (405, 19511), (537, 14715), (545, 14499), (895, 8829), (981, 8055), (1611, 4905), (1635, 4833), (2685, 2943)]