15720523

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 21833280

約数和(自身を除く): 6112757

約数列:

[1, 7, 13, 23, 29, 37, 49, 91, 161, 203, 259, 299, 377, 481, 637, 667, 851, 1073, 1127, 1421, 1813, 2093, 2639, 3367, 4669, 5957, 7511, 8671, 11063, 13949, 14651, 18473, 23569, 24679, 32683, 41699, 52577, 60697, 77441, 97643, 172753, 320827, 424879, 542087, 683501, 1209271, 2245789, 15720523]

約数ペア:

[(1, 15720523), (7, 2245789), (13, 1209271), (23, 683501), (29, 542087), (37, 424879), (49, 320827), (91, 172753), (161, 97643), (203, 77441), (259, 60697), (299, 52577), (377, 41699), (481, 32683), (637, 24679), (667, 23569), (851, 18473), (1073, 14651), (1127, 13949), (1421, 11063), (1813, 8671), (2093, 7511), (2639, 5957), (3367, 4669)]