78293805

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{2087}}^1$

素因数の和:2197

約数の個数: 32

約数和(自身を含む): 130491648

約数和(自身を除く): 52197843

約数列:

[1, 3, 5, 15, 41, 61, 123, 183, 205, 305, 615, 915, 2087, 2501, 6261, 7503, 10435, 12505, 31305, 37515, 85567, 127307, 256701, 381921, 427835, 636535, 1283505, 1909605, 5219587, 15658761, 26097935, 78293805]

約数ペア:

[(1, 78293805), (3, 26097935), (5, 15658761), (15, 5219587), (41, 1909605), (61, 1283505), (123, 636535), (183, 427835), (205, 381921), (305, 256701), (615, 127307), (915, 85567), (2087, 37515), (2501, 31305), (6261, 12505), (7503, 10435)]