81086031

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{599}}^1$

素因数の和:720

約数の個数: 36

約数和(自身を含む): 128466000

約数和(自身を除く): 47379969

約数列:

[1, 3, 9, 13, 39, 89, 117, 169, 267, 507, 599, 801, 1157, 1521, 1797, 3471, 5391, 7787, 10413, 15041, 23361, 45123, 53311, 70083, 101231, 135369, 159933, 303693, 479799, 693043, 911079, 2079129, 6237387, 9009559, 27028677, 81086031]

約数ペア:

[(1, 81086031), (3, 27028677), (9, 9009559), (13, 6237387), (39, 2079129), (89, 911079), (117, 693043), (169, 479799), (267, 303693), (507, 159933), (599, 135369), (801, 101231), (1157, 70083), (1521, 53311), (1797, 45123), (3471, 23361), (5391, 15041), (7787, 10413)]