163965975

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 282839040

約数和(自身を除く): 118873065

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 109, 155, 327, 465, 545, 647, 775, 1635, 1941, 2325, 2725, 3235, 3379, 8175, 9705, 10137, 16175, 16895, 20057, 48525, 50685, 60171, 70523, 84475, 100285, 211569, 253425, 300855, 352615, 501425, 1057845, 1504275, 1763075, 2186213, 5289225, 6558639, 10931065, 32793195, 54655325, 163965975]

約数ペア:

[(1, 163965975), (3, 54655325), (5, 32793195), (15, 10931065), (25, 6558639), (31, 5289225), (75, 2186213), (93, 1763075), (109, 1504275), (155, 1057845), (327, 501425), (465, 352615), (545, 300855), (647, 253425), (775, 211569), (1635, 100285), (1941, 84475), (2325, 70523), (2725, 60171), (3235, 50685), (3379, 48525), (8175, 20057), (9705, 16895), (10137, 16175)]