3928491

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 6549504

約数和(自身を除く): 2621013

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 491, 889, 1143, 1473, 2667, 3437, 4419, 8001, 10311, 30933, 62357, 187071, 436499, 561213, 1309497, 3928491]

約数ペア:

[(1, 3928491), (3, 1309497), (7, 561213), (9, 436499), (21, 187071), (63, 62357), (127, 30933), (381, 10311), (491, 8001), (889, 4419), (1143, 3437), (1473, 2667)]