53988081

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{653}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 85721088

約数和(自身を除く): 31733007

約数列:

[1, 3, 7, 21, 31, 93, 127, 217, 381, 651, 653, 889, 1959, 2667, 3937, 4571, 11811, 13713, 20243, 27559, 60729, 82677, 82931, 141701, 248793, 425103, 580517, 1741551, 2570861, 7712583, 17996027, 53988081]

約数ペア:

[(1, 53988081), (3, 17996027), (7, 7712583), (21, 2570861), (31, 1741551), (93, 580517), (127, 425103), (217, 248793), (381, 141701), (651, 82931), (653, 82677), (889, 60729), (1959, 27559), (2667, 20243), (3937, 13713), (4571, 11811)]