18338175

素因数分解:

$3^2\times 5^2\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:712

約数の個数: 36

約数和(自身を含む): 33126600

約数和(自身を除く): 14788425

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 149, 225, 447, 547, 745, 1341, 1641, 2235, 2735, 3725, 4923, 6705, 8205, 11175, 13675, 24615, 33525, 41025, 81503, 123075, 244509, 407515, 733527, 1222545, 2037575, 3667635, 6112725, 18338175]

約数ペア:

[(1, 18338175), (3, 6112725), (5, 3667635), (9, 2037575), (15, 1222545), (25, 733527), (45, 407515), (75, 244509), (149, 123075), (225, 81503), (447, 41025), (547, 33525), (745, 24615), (1341, 13675), (1641, 11175), (2235, 8205), (2735, 6705), (3725, 4923)]