72771855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2377}}^1$

素因数の和:2555

約数の個数: 32

約数和(自身を含む): 126243264

約数和(自身を除く): 53471409

約数列:

[1, 3, 5, 13, 15, 39, 65, 157, 195, 471, 785, 2041, 2355, 2377, 6123, 7131, 10205, 11885, 30615, 30901, 35655, 92703, 154505, 373189, 463515, 1119567, 1865945, 4851457, 5597835, 14554371, 24257285, 72771855]

約数ペア:

[(1, 72771855), (3, 24257285), (5, 14554371), (13, 5597835), (15, 4851457), (39, 1865945), (65, 1119567), (157, 463515), (195, 373189), (471, 154505), (785, 92703), (2041, 35655), (2355, 30901), (2377, 30615), (6123, 11885), (7131, 10205)]