2170725

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 3636672

約数和(自身を除く): 1465947

約数列:

[1, 3, 5, 15, 25, 75, 103, 281, 309, 515, 843, 1405, 1545, 2575, 4215, 7025, 7725, 21075, 28943, 86829, 144715, 434145, 723575, 2170725]

約数ペア:

[(1, 2170725), (3, 723575), (5, 434145), (15, 144715), (25, 86829), (75, 28943), (103, 21075), (281, 7725), (309, 7025), (515, 4215), (843, 2575), (1405, 1545)]