71574279

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{571}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 112459776

約数和(自身を除く): 40885497

約数列:

[1, 3, 7, 21, 47, 127, 141, 329, 381, 571, 889, 987, 1713, 2667, 3997, 5969, 11991, 17907, 26837, 41783, 72517, 80511, 125349, 187859, 217551, 507619, 563577, 1522857, 3408299, 10224897, 23858093, 71574279]

約数ペア:

[(1, 71574279), (3, 23858093), (7, 10224897), (21, 3408299), (47, 1522857), (127, 563577), (141, 507619), (329, 217551), (381, 187859), (571, 125349), (889, 80511), (987, 72517), (1713, 41783), (2667, 26837), (3997, 17907), (5969, 11991)]