28696275

素因数分解:

$3^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:442

約数の個数: 60

約数和(自身を含む): 54734592

約数和(自身を除く): 26038317

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 81, 111, 135, 185, 225, 333, 383, 405, 555, 675, 925, 999, 1149, 1665, 1915, 2025, 2775, 2997, 3447, 4995, 5745, 8325, 9575, 10341, 14171, 14985, 17235, 24975, 28725, 31023, 42513, 51705, 70855, 74925, 86175, 127539, 155115, 212565, 258525, 354275, 382617, 637695, 775575, 1062825, 1147851, 1913085, 3188475, 5739255, 9565425, 28696275]

約数ペア:

[(1, 28696275), (3, 9565425), (5, 5739255), (9, 3188475), (15, 1913085), (25, 1147851), (27, 1062825), (37, 775575), (45, 637695), (75, 382617), (81, 354275), (111, 258525), (135, 212565), (185, 155115), (225, 127539), (333, 86175), (383, 74925), (405, 70855), (555, 51705), (675, 42513), (925, 31023), (999, 28725), (1149, 24975), (1665, 17235), (1915, 14985), (2025, 14171), (2775, 10341), (2997, 9575), (3447, 8325), (4995, 5745)]