20147691141

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{491899}}^1$

素因数の和:491986

約数の個数: 32

約数和(自身を含む): 31402896000

約数和(自身を除く): 11255204859

約数列:

[1, 3, 9, 27, 37, 41, 111, 123, 333, 369, 999, 1107, 1517, 4551, 13653, 40959, 491899, 1475697, 4427091, 13281273, 18200263, 20167859, 54600789, 60503577, 163802367, 181510731, 491407101, 544532193, 746210783, 2238632349, 6715897047, 20147691141]

約数ペア:

[(1, 20147691141), (3, 6715897047), (9, 2238632349), (27, 746210783), (37, 544532193), (41, 491407101), (111, 181510731), (123, 163802367), (333, 60503577), (369, 54600789), (999, 20167859), (1107, 18200263), (1517, 13281273), (4551, 4427091), (13653, 1475697), (40959, 491899)]