81533697

素因数分解:

$3^1\times 7^2\times {\mathrm{373}}^1\times {\mathrm{1487}}^1$

素因数の和:1877

約数の個数: 24

約数和(自身を含む): 126884736

約数和(自身を除く): 45351039

約数列:

[1, 3, 7, 21, 49, 147, 373, 1119, 1487, 2611, 4461, 7833, 10409, 18277, 31227, 54831, 72863, 218589, 554651, 1663953, 3882557, 11647671, 27177899, 81533697]

約数ペア:

[(1, 81533697), (3, 27177899), (7, 11647671), (21, 3882557), (49, 1663953), (147, 554651), (373, 218589), (1119, 72863), (1487, 54831), (2611, 31227), (4461, 18277), (7833, 10409)]