12963909

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{32491}}^1$

素因数の和:32520

約数の個数: 16

約数和(自身を含む): 20794880

約数和(自身を除く): 7830971

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 32491, 97473, 227437, 617329, 682311, 1851987, 4321303, 12963909]

約数ペア:

[(1, 12963909), (3, 4321303), (7, 1851987), (19, 682311), (21, 617329), (57, 227437), (133, 97473), (399, 32491)]