786434427

素因数分解:

$3^4\times {\mathrm{557}}^1\times {\mathrm{17431}}^1$

素因数の和:18000

約数の個数: 20

約数和(自身を含む): 1176973776

約数和(自身を除く): 390539349

約数列:

[1, 3, 9, 27, 81, 557, 1671, 5013, 15039, 17431, 45117, 52293, 156879, 470637, 1411911, 9709067, 29127201, 87381603, 262144809, 786434427]

約数ペア:

[(1, 786434427), (3, 262144809), (9, 87381603), (27, 29127201), (81, 9709067), (557, 1411911), (1671, 470637), (5013, 156879), (15039, 52293), (17431, 45117)]