27980325

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{3361}}^1$

素因数の和:3414

約数の個数: 36

約数和(自身を含む): 51485668

約数和(自身を除く): 23505343

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 185, 225, 333, 555, 925, 1665, 2775, 3361, 8325, 10083, 16805, 30249, 50415, 84025, 124357, 151245, 252075, 373071, 621785, 756225, 1119213, 1865355, 3108925, 5596065, 9326775, 27980325]

約数ペア:

[(1, 27980325), (3, 9326775), (5, 5596065), (9, 3108925), (15, 1865355), (25, 1119213), (37, 756225), (45, 621785), (75, 373071), (111, 252075), (185, 151245), (225, 124357), (333, 84025), (555, 50415), (925, 30249), (1665, 16805), (2775, 10083), (3361, 8325)]