1399377

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1801}}^1$

素因数の和:1848

約数の個数: 16

約数和(自身を含む): 2191232

約数和(自身を除く): 791855

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 1801, 5403, 12607, 37821, 66637, 199911, 466459, 1399377]

約数ペア:

[(1, 1399377), (3, 466459), (7, 199911), (21, 66637), (37, 37821), (111, 12607), (259, 5403), (777, 1801)]