61513425

素因数分解:

$3^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:880

約数の個数: 60

約数和(自身を含む): 117166236

約数和(自身を除く): 55652811

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 81, 111, 135, 185, 225, 333, 405, 555, 675, 821, 925, 999, 1665, 2025, 2463, 2775, 2997, 4105, 4995, 7389, 8325, 12315, 14985, 20525, 22167, 24975, 30377, 36945, 61575, 66501, 74925, 91131, 110835, 151885, 184725, 273393, 332505, 455655, 554175, 759425, 820179, 1366965, 1662525, 2278275, 2460537, 4100895, 6834825, 12302685, 20504475, 61513425]

約数ペア:

[(1, 61513425), (3, 20504475), (5, 12302685), (9, 6834825), (15, 4100895), (25, 2460537), (27, 2278275), (37, 1662525), (45, 1366965), (75, 820179), (81, 759425), (111, 554175), (135, 455655), (185, 332505), (225, 273393), (333, 184725), (405, 151885), (555, 110835), (675, 91131), (821, 74925), (925, 66501), (999, 61575), (1665, 36945), (2025, 30377), (2463, 24975), (2775, 22167), (2997, 20525), (4105, 14985), (4995, 12315), (7389, 8325)]