28442955

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1571}}^1$

素因数の和:1667

約数の個数: 32

約数和(自身を含む): 48895488

約数和(自身を除く): 20452533

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 355, 1065, 1207, 1571, 3621, 4713, 6035, 7855, 18105, 23565, 26707, 80121, 111541, 133535, 334623, 400605, 557705, 1673115, 1896197, 5688591, 9480985, 28442955]

約数ペア:

[(1, 28442955), (3, 9480985), (5, 5688591), (15, 1896197), (17, 1673115), (51, 557705), (71, 400605), (85, 334623), (213, 133535), (255, 111541), (355, 80121), (1065, 26707), (1207, 23565), (1571, 18105), (3621, 7855), (4713, 6035)]