321579905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1597}}^1$

素因数の和:1745

約数の個数: 32

約数和(自身を含む): 430769664

約数和(自身を除く): 109189759

約数列:

[1, 5, 17, 23, 85, 103, 115, 391, 515, 1597, 1751, 1955, 2369, 7985, 8755, 11845, 27149, 36731, 40273, 135745, 164491, 183655, 201365, 624427, 822455, 2796347, 3122135, 3783293, 13981735, 18916465, 64315981, 321579905]

約数ペア:

[(1, 321579905), (5, 64315981), (17, 18916465), (23, 13981735), (85, 3783293), (103, 3122135), (115, 2796347), (391, 822455), (515, 624427), (1597, 201365), (1751, 183655), (1955, 164491), (2369, 135745), (7985, 40273), (8755, 36731), (11845, 27149)]