28106415

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 52116480

約数和(自身を除く): 24010065

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 71, 95, 171, 213, 285, 355, 463, 639, 855, 1065, 1349, 1389, 2315, 3195, 4047, 4167, 6745, 6945, 8797, 12141, 20235, 20835, 26391, 32873, 43985, 60705, 79173, 98619, 131955, 164365, 295857, 395865, 493095, 624587, 1479285, 1873761, 3122935, 5621283, 9368805, 28106415]

約数ペア:

[(1, 28106415), (3, 9368805), (5, 5621283), (9, 3122935), (15, 1873761), (19, 1479285), (45, 624587), (57, 493095), (71, 395865), (95, 295857), (171, 164365), (213, 131955), (285, 98619), (355, 79173), (463, 60705), (639, 43985), (855, 32873), (1065, 26391), (1349, 20835), (1389, 20235), (2315, 12141), (3195, 8797), (4047, 6945), (4167, 6745)]