291203117631

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{151905643}}^1$

素因数の和:151905723

約数の個数: 16

約数和(自身を含む): 437488254720

約数和(自身を除く): 146285137089

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 151905643, 455716929, 1367150787, 4101452361, 10785300653, 32355901959, 97067705877, 291203117631]

約数ペア:

[(1, 291203117631), (3, 97067705877), (9, 32355901959), (27, 10785300653), (71, 4101452361), (213, 1367150787), (639, 455716929), (1917, 151905643)]