16812981

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{13249}}^1$

素因数の和:13305

約数の個数: 16

約数和(自身を含む): 25440000

約数和(自身を除く): 8627019

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 13249, 39747, 119241, 357723, 622703, 1868109, 5604327, 16812981]

約数ペア:

[(1, 16812981), (3, 5604327), (9, 1868109), (27, 622703), (47, 357723), (141, 119241), (423, 39747), (1269, 13249)]