80340255

素因数分解:

$3^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1217}}^1$

素因数の和:1397

約数の個数: 40

約数和(自身を含む): 145019952

約数和(自身を除く): 64679697

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 163, 405, 489, 815, 1217, 1467, 2445, 3651, 4401, 6085, 7335, 10953, 13203, 18255, 22005, 32859, 54765, 66015, 98577, 164295, 198371, 492885, 595113, 991855, 1785339, 2975565, 5356017, 8926695, 16068051, 26780085, 80340255]

約数ペア:

[(1, 80340255), (3, 26780085), (5, 16068051), (9, 8926695), (15, 5356017), (27, 2975565), (45, 1785339), (81, 991855), (135, 595113), (163, 492885), (405, 198371), (489, 164295), (815, 98577), (1217, 66015), (1467, 54765), (2445, 32859), (3651, 22005), (4401, 18255), (6085, 13203), (7335, 10953)]