138425517

素因数分解:

$3^4\times {\mathrm{269}}^1\times {\mathrm{6353}}^1$

素因数の和:6634

約数の個数: 20

約数和(自身を含む): 207585180

約数和(自身を除く): 69159663

約数列:

[1, 3, 9, 27, 81, 269, 807, 2421, 6353, 7263, 19059, 21789, 57177, 171531, 514593, 1708957, 5126871, 15380613, 46141839, 138425517]

約数ペア:

[(1, 138425517), (3, 46141839), (9, 15380613), (27, 5126871), (81, 1708957), (269, 514593), (807, 171531), (2421, 57177), (6353, 21789), (7263, 19059)]