30916275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 56600544

約数和(自身を除く): 25684269

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 65, 75, 111, 185, 195, 325, 481, 555, 857, 925, 975, 1443, 2405, 2571, 2775, 4285, 7215, 11141, 12025, 12855, 21425, 31709, 33423, 36075, 55705, 64275, 95127, 158545, 167115, 278525, 412217, 475635, 792725, 835575, 1236651, 2061085, 2378175, 6183255, 10305425, 30916275]

約数ペア:

[(1, 30916275), (3, 10305425), (5, 6183255), (13, 2378175), (15, 2061085), (25, 1236651), (37, 835575), (39, 792725), (65, 475635), (75, 412217), (111, 278525), (185, 167115), (195, 158545), (325, 95127), (481, 64275), (555, 55705), (857, 36075), (925, 33423), (975, 31709), (1443, 21425), (2405, 12855), (2571, 12025), (2775, 11141), (4285, 7215)]