215331333

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{433}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 356227200

約数和(自身を除く): 140895867

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 199, 357, 433, 597, 833, 1299, 1393, 2499, 3031, 3383, 4179, 7361, 9093, 9751, 10149, 21217, 22083, 23681, 29253, 51527, 63651, 71043, 86167, 154581, 165767, 258501, 360689, 497301, 603169, 1082067, 1464839, 1809507, 4222183, 4394517, 10253873, 12666549, 30761619, 71777111, 215331333]

約数ペア:

[(1, 215331333), (3, 71777111), (7, 30761619), (17, 12666549), (21, 10253873), (49, 4394517), (51, 4222183), (119, 1809507), (147, 1464839), (199, 1082067), (357, 603169), (433, 497301), (597, 360689), (833, 258501), (1299, 165767), (1393, 154581), (2499, 86167), (3031, 71043), (3383, 63651), (4179, 51527), (7361, 29253), (9093, 23681), (9751, 22083), (10149, 21217)]