206493075

素因数分解:

$3^2\times 5^2\times {\mathrm{257}}^1\times {\mathrm{3571}}^1$

素因数の和:3844

約数の個数: 36

約数和(自身を含む): 371395128

約数和(自身を除く): 164902053

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 257, 771, 1285, 2313, 3571, 3855, 6425, 10713, 11565, 17855, 19275, 32139, 53565, 57825, 89275, 160695, 267825, 803475, 917747, 2753241, 4588735, 8259723, 13766205, 22943675, 41298615, 68831025, 206493075]

約数ペア:

[(1, 206493075), (3, 68831025), (5, 41298615), (9, 22943675), (15, 13766205), (25, 8259723), (45, 4588735), (75, 2753241), (225, 917747), (257, 803475), (771, 267825), (1285, 160695), (2313, 89275), (3571, 57825), (3855, 53565), (6425, 32139), (10713, 19275), (11565, 17855)]