213416895

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{17807}}^1$

素因数の和:17879

約数の個数: 32

約数和(自身を含む): 369266688

約数和(自身を除く): 155849793

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 2397, 3995, 11985, 17807, 53421, 89035, 267105, 302719, 836929, 908157, 1513595, 2510787, 4184645, 4540785, 12553935, 14227793, 42683379, 71138965, 213416895]

約数ペア:

[(1, 213416895), (3, 71138965), (5, 42683379), (15, 14227793), (17, 12553935), (47, 4540785), (51, 4184645), (85, 2510787), (141, 1513595), (235, 908157), (255, 836929), (705, 302719), (799, 267105), (2397, 89035), (3995, 53421), (11985, 17807)]