18120783

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:726

約数の個数: 16

約数和(自身を含む): 24673280

約数和(自身を除く): 6552497

約数列:

[1, 3, 79, 157, 237, 471, 487, 1461, 12403, 37209, 38473, 76459, 115419, 229377, 6040261, 18120783]

約数ペア:

[(1, 18120783), (3, 6040261), (79, 229377), (157, 115419), (237, 76459), (471, 38473), (487, 37209), (1461, 12403)]