81576054

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{647429}}^1$

素因数の和:647444

約数の個数: 24

約数和(自身を含む): 201998160

約数和(自身を除く): 120422106

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 647429, 1294858, 1942287, 3884574, 4532003, 5826861, 9064006, 11653722, 13596009, 27192018, 40788027, 81576054]

約数ペア:

[(1, 81576054), (2, 40788027), (3, 27192018), (6, 13596009), (7, 11653722), (9, 9064006), (14, 5826861), (18, 4532003), (21, 3884574), (42, 1942287), (63, 1294858), (126, 647429)]