1376993289

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3451111}}^1$

素因数の和:3451140

約数の個数: 16

約数和(自身を含む): 2208711680

約数和(自身を除く): 831718391

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 3451111, 10353333, 24157777, 65571109, 72473331, 196713327, 458997763, 1376993289]

約数ペア:

[(1, 1376993289), (3, 458997763), (7, 196713327), (19, 72473331), (21, 65571109), (57, 24157777), (133, 10353333), (399, 3451111)]