71811783

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{379}}^1\times {\mathrm{569}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 107000400

約数和(自身を除く): 35188617

約数列:

[1, 3, 9, 37, 111, 333, 379, 569, 1137, 1707, 3411, 5121, 14023, 21053, 42069, 63159, 126207, 189477, 215651, 646953, 1940859, 7979087, 23937261, 71811783]

約数ペア:

[(1, 71811783), (3, 23937261), (9, 7979087), (37, 1940859), (111, 646953), (333, 215651), (379, 189477), (569, 126207), (1137, 63159), (1707, 42069), (3411, 21053), (5121, 14023)]