25440933

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 39923712

約数和(自身を除く): 14482779

約数列:

[1, 3, 7, 21, 71, 113, 151, 213, 339, 453, 497, 791, 1057, 1491, 2373, 3171, 8023, 10721, 17063, 24069, 32163, 51189, 56161, 75047, 119441, 168483, 225141, 358323, 1211473, 3634419, 8480311, 25440933]

約数ペア:

[(1, 25440933), (3, 8480311), (7, 3634419), (21, 1211473), (71, 358323), (113, 225141), (151, 168483), (213, 119441), (339, 75047), (453, 56161), (497, 51189), (791, 32163), (1057, 24069), (1491, 17063), (2373, 10721), (3171, 8023)]