80681391

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{9629}}^1$

素因数の和:9668

約数の個数: 36

約数和(自身を含む): 142716600

約数和(自身を除く): 62035209

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 9629, 28887, 67403, 86661, 182951, 202209, 471821, 548853, 606627, 1280657, 1415463, 1646559, 3841971, 4246389, 8964599, 11525913, 26893797, 80681391]

約数ペア:

[(1, 80681391), (3, 26893797), (7, 11525913), (9, 8964599), (19, 4246389), (21, 3841971), (49, 1646559), (57, 1415463), (63, 1280657), (133, 606627), (147, 548853), (171, 471821), (399, 202209), (441, 182951), (931, 86661), (1197, 67403), (2793, 28887), (8379, 9629)]