18626025

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 34069248

約数和(自身を除く): 15443223

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 107, 165, 211, 275, 321, 535, 633, 825, 1055, 1177, 1605, 2321, 2675, 3165, 3531, 5275, 5885, 6963, 8025, 11605, 15825, 17655, 22577, 29425, 34815, 58025, 67731, 88275, 112885, 174075, 248347, 338655, 564425, 745041, 1241735, 1693275, 3725205, 6208675, 18626025]

約数ペア:

[(1, 18626025), (3, 6208675), (5, 3725205), (11, 1693275), (15, 1241735), (25, 745041), (33, 564425), (55, 338655), (75, 248347), (107, 174075), (165, 112885), (211, 88275), (275, 67731), (321, 58025), (535, 34815), (633, 29425), (825, 22577), (1055, 17655), (1177, 15825), (1605, 11605), (2321, 8025), (2675, 6963), (3165, 5885), (3531, 5275)]