78381795

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2857}}^1$

素因数の和:2955

約数の個数: 32

約数和(自身を含む): 131696640

約数和(自身を除く): 53314845

約数列:

[1, 3, 5, 15, 31, 59, 93, 155, 177, 295, 465, 885, 1829, 2857, 5487, 8571, 9145, 14285, 27435, 42855, 88567, 168563, 265701, 442835, 505689, 842815, 1328505, 2528445, 5225453, 15676359, 26127265, 78381795]

約数ペア:

[(1, 78381795), (3, 26127265), (5, 15676359), (15, 5225453), (31, 2528445), (59, 1328505), (93, 842815), (155, 505689), (177, 442835), (295, 265701), (465, 168563), (885, 88567), (1829, 42855), (2857, 27435), (5487, 14285), (8571, 9145)]