81749121

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 116121600

約数和(自身を除く): 34372479

約数列:

[1, 3, 41, 47, 79, 123, 141, 179, 237, 537, 1927, 3239, 3713, 5781, 7339, 8413, 9717, 11139, 14141, 22017, 25239, 42423, 152233, 344933, 456699, 579781, 664627, 1034799, 1739343, 1993881, 27249707, 81749121]

約数ペア:

[(1, 81749121), (3, 27249707), (41, 1993881), (47, 1739343), (79, 1034799), (123, 664627), (141, 579781), (179, 456699), (237, 344933), (537, 152233), (1927, 42423), (3239, 25239), (3713, 22017), (5781, 14141), (7339, 11139), (8413, 9717)]