80861403

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{281}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 126047232

約数和(自身を除く): 45185829

約数列:

[1, 3, 7, 21, 71, 193, 213, 281, 497, 579, 843, 1351, 1491, 1967, 4053, 5901, 13703, 19951, 41109, 54233, 59853, 95921, 139657, 162699, 287763, 379631, 418971, 1138893, 3850543, 11551629, 26953801, 80861403]

約数ペア:

[(1, 80861403), (3, 26953801), (7, 11551629), (21, 3850543), (71, 1138893), (193, 418971), (213, 379631), (281, 287763), (497, 162699), (579, 139657), (843, 95921), (1351, 59853), (1491, 54233), (1967, 41109), (4053, 19951), (5901, 13703)]