80521605

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1571}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 150081984

約数和(自身を除く): 69560379

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 67, 85, 153, 201, 255, 335, 603, 765, 1005, 1139, 1571, 3015, 3417, 4713, 5695, 7855, 10251, 14139, 17085, 23565, 26707, 51255, 70695, 80121, 105257, 133535, 240363, 315771, 400605, 526285, 947313, 1201815, 1578855, 1789369, 4736565, 5368107, 8946845, 16104321, 26840535, 80521605]

約数ペア:

[(1, 80521605), (3, 26840535), (5, 16104321), (9, 8946845), (15, 5368107), (17, 4736565), (45, 1789369), (51, 1578855), (67, 1201815), (85, 947313), (153, 526285), (201, 400605), (255, 315771), (335, 240363), (603, 133535), (765, 105257), (1005, 80121), (1139, 70695), (1571, 51255), (3015, 26707), (3417, 23565), (4713, 17085), (5695, 14139), (7855, 10251)]