78890487

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 116809728

約数和(自身を除く): 37919241

約数列:

[1, 3, 13, 39, 47, 141, 193, 223, 579, 611, 669, 1833, 2509, 2899, 7527, 8697, 9071, 10481, 27213, 31443, 43039, 117923, 129117, 136253, 353769, 408759, 559507, 1678521, 2022833, 6068499, 26296829, 78890487]

約数ペア:

[(1, 78890487), (3, 26296829), (13, 6068499), (39, 2022833), (47, 1678521), (141, 559507), (193, 408759), (223, 353769), (579, 136253), (611, 129117), (669, 117923), (1833, 43039), (2509, 31443), (2899, 27213), (7527, 10481), (8697, 9071)]