20081103

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 31836672

約数和(自身を除く): 11755569

約数列:

[1, 3, 7, 21, 41, 83, 123, 249, 281, 287, 581, 843, 861, 1743, 1967, 3403, 5901, 10209, 11521, 23323, 23821, 34563, 69969, 71463, 80647, 163261, 241941, 489783, 956243, 2868729, 6693701, 20081103]

約数ペア:

[(1, 20081103), (3, 6693701), (7, 2868729), (21, 956243), (41, 489783), (83, 241941), (123, 163261), (249, 80647), (281, 71463), (287, 69969), (581, 34563), (843, 23821), (861, 23323), (1743, 11521), (1967, 10209), (3403, 5901)]