69438145

素因数分解:

$5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{2039}}^1$

素因数の和:2197

約数の個数: 24

約数和(自身を含む): 97675200

約数和(自身を除く): 28237055

約数列:

[1, 5, 7, 35, 49, 139, 245, 695, 973, 2039, 4865, 6811, 10195, 14273, 34055, 71365, 99911, 283421, 499555, 1417105, 1983947, 9919735, 13887629, 69438145]

約数ペア:

[(1, 69438145), (5, 13887629), (7, 9919735), (35, 1983947), (49, 1417105), (139, 499555), (245, 283421), (695, 99911), (973, 71365), (2039, 34055), (4865, 14273), (6811, 10195)]