77989995

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1031}}^1$

素因数の和:1124

約数の個数: 36

約数和(自身を含む): 138694608

約数和(自身を除く): 60704613

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1031, 1681, 1845, 3093, 5043, 5155, 8405, 9279, 15129, 15465, 25215, 42271, 46395, 75645, 126813, 211355, 380439, 634065, 1733111, 1902195, 5199333, 8665555, 15597999, 25996665, 77989995]

約数ペア:

[(1, 77989995), (3, 25996665), (5, 15597999), (9, 8665555), (15, 5199333), (41, 1902195), (45, 1733111), (123, 634065), (205, 380439), (369, 211355), (615, 126813), (1031, 75645), (1681, 46395), (1845, 42271), (3093, 25215), (5043, 15465), (5155, 15129), (8405, 9279)]