81080775

素因数分解:

$3^2\times 5^2\times {\mathrm{173}}^1\times {\mathrm{2083}}^1$

素因数の和:2272

約数の個数: 36

約数和(自身を含む): 146134248

約数和(自身を除く): 65053473

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 173, 225, 519, 865, 1557, 2083, 2595, 4325, 6249, 7785, 10415, 12975, 18747, 31245, 38925, 52075, 93735, 156225, 360359, 468675, 1081077, 1801795, 3243231, 5405385, 9008975, 16216155, 27026925, 81080775]

約数ペア:

[(1, 81080775), (3, 27026925), (5, 16216155), (9, 9008975), (15, 5405385), (25, 3243231), (45, 1801795), (75, 1081077), (173, 468675), (225, 360359), (519, 156225), (865, 93735), (1557, 52075), (2083, 38925), (2595, 31245), (4325, 18747), (6249, 12975), (7785, 10415)]