2779035

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 5472000

約数和(自身を除く): 2692965

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 199, 245, 285, 399, 597, 665, 735, 931, 995, 1393, 1995, 2793, 2985, 3781, 4179, 4655, 6965, 9751, 11343, 13965, 18905, 20895, 26467, 29253, 48755, 56715, 79401, 132335, 146265, 185269, 397005, 555807, 926345, 2779035]

約数ペア:

[(1, 2779035), (3, 926345), (5, 555807), (7, 397005), (15, 185269), (19, 146265), (21, 132335), (35, 79401), (49, 56715), (57, 48755), (95, 29253), (105, 26467), (133, 20895), (147, 18905), (199, 13965), (245, 11343), (285, 9751), (399, 6965), (597, 4655), (665, 4179), (735, 3781), (931, 2985), (995, 2793), (1393, 1995)]