12812961

素因数分解:

$3^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{863}}^1$

素因数の和:981

約数の個数: 24

約数和(自身を含む): 20093184

約数和(自身を除く): 7280223

約数列:

[1, 3, 7, 21, 49, 101, 147, 303, 707, 863, 2121, 2589, 4949, 6041, 14847, 18123, 42287, 87163, 126861, 261489, 610141, 1830423, 4270987, 12812961]

約数ペア:

[(1, 12812961), (3, 4270987), (7, 1830423), (21, 610141), (49, 261489), (101, 126861), (147, 87163), (303, 42287), (707, 18123), (863, 14847), (2121, 6041), (2589, 4949)]