15920228745

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{74843}}^1$

素因数の和:75046

約数の個数: 48

約数和(自身を含む): 28722133440

約数和(自身を除く): 12801904695

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 163, 261, 435, 489, 815, 1305, 1467, 2445, 4727, 7335, 14181, 23635, 42543, 70905, 74843, 212715, 224529, 374215, 673587, 1122645, 2170447, 3367935, 6511341, 10852235, 12199409, 19534023, 32556705, 36598227, 60997045, 97670115, 109794681, 182991135, 353782861, 548973405, 1061348583, 1768914305, 3184045749, 5306742915, 15920228745]

約数ペア:

[(1, 15920228745), (3, 5306742915), (5, 3184045749), (9, 1768914305), (15, 1061348583), (29, 548973405), (45, 353782861), (87, 182991135), (145, 109794681), (163, 97670115), (261, 60997045), (435, 36598227), (489, 32556705), (815, 19534023), (1305, 12199409), (1467, 10852235), (2445, 6511341), (4727, 3367935), (7335, 2170447), (14181, 1122645), (23635, 673587), (42543, 374215), (70905, 224529), (74843, 212715)]