85865715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3967}}^1$

素因数の和:4028

約数の個数: 48

約数和(自身を含む): 164656128

約数和(自身を除く): 78790413

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 65, 111, 117, 185, 195, 333, 481, 555, 585, 1443, 1665, 2405, 3967, 4329, 7215, 11901, 19835, 21645, 35703, 51571, 59505, 146779, 154713, 178515, 257855, 440337, 464139, 733895, 773565, 1321011, 1908127, 2201685, 2320695, 5724381, 6605055, 9540635, 17173143, 28621905, 85865715]

約数ペア:

[(1, 85865715), (3, 28621905), (5, 17173143), (9, 9540635), (13, 6605055), (15, 5724381), (37, 2320695), (39, 2201685), (45, 1908127), (65, 1321011), (111, 773565), (117, 733895), (185, 464139), (195, 440337), (333, 257855), (481, 178515), (555, 154713), (585, 146779), (1443, 59505), (1665, 51571), (2405, 35703), (3967, 21645), (4329, 19835), (7215, 11901)]