78902271

素因数分解:

$3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{4457}}^1$

素因数の和:4751

約数の個数: 24

約数和(自身を含む): 130744224

約数和(自身を除く): 51841953

約数列:

[1, 3, 7, 9, 21, 63, 281, 843, 1967, 2529, 4457, 5901, 13371, 17703, 31199, 40113, 93597, 280791, 1252417, 3757251, 8766919, 11271753, 26300757, 78902271]

約数ペア:

[(1, 78902271), (3, 26300757), (7, 11271753), (9, 8766919), (21, 3757251), (63, 1252417), (281, 280791), (843, 93597), (1967, 40113), (2529, 31199), (4457, 17703), (5901, 13371)]