15120071997

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2069}}^1\times {\mathrm{4421}}^1$

素因数の和:6541

約数の個数: 32

約数和(自身を含む): 21968496000

約数和(自身を除く): 6848424003

約数列:

[1, 3, 19, 29, 57, 87, 551, 1653, 2069, 4421, 6207, 13263, 39311, 60001, 83999, 117933, 128209, 180003, 251997, 384627, 1140019, 2435971, 3420057, 7307913, 9147049, 27441147, 173793931, 265264421, 521381793, 795793263, 5040023999, 15120071997]

約数ペア:

[(1, 15120071997), (3, 5040023999), (19, 795793263), (29, 521381793), (57, 265264421), (87, 173793931), (551, 27441147), (1653, 9147049), (2069, 7307913), (4421, 3420057), (6207, 2435971), (13263, 1140019), (39311, 384627), (60001, 251997), (83999, 180003), (117933, 128209)]