81267270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{386987}}^1$

素因数の和:387004

約数の個数: 32

約数和(自身を含む): 222905088

約数和(自身を除く): 141637818

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 386987, 773974, 1160961, 1934935, 2321922, 2708909, 3869870, 5417818, 5804805, 8126727, 11609610, 13544545, 16253454, 27089090, 40633635, 81267270]

約数ペア:

[(1, 81267270), (2, 40633635), (3, 27089090), (5, 16253454), (6, 13544545), (7, 11609610), (10, 8126727), (14, 5804805), (15, 5417818), (21, 3869870), (30, 2708909), (35, 2321922), (42, 1934935), (70, 1160961), (105, 773974), (210, 386987)]