390278433

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{449}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 550368000

約数和(自身を除く): 160089567

約数列:

[1, 3, 29, 87, 97, 103, 291, 309, 449, 1347, 2813, 2987, 8439, 8961, 9991, 13021, 29973, 39063, 43553, 46247, 130659, 138741, 289739, 869217, 1263037, 1341163, 3789111, 4023489, 4485959, 13457877, 130092811, 390278433]

約数ペア:

[(1, 390278433), (3, 130092811), (29, 13457877), (87, 4485959), (97, 4023489), (103, 3789111), (291, 1341163), (309, 1263037), (449, 869217), (1347, 289739), (2813, 138741), (2987, 130659), (8439, 46247), (8961, 43553), (9991, 39063), (13021, 29973)]