4720905

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{2141}}^1$

素因数の和:2166

約数の個数: 36

約数和(自身を含む): 9523332

約数和(自身を除く): 4802427

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2141, 2205, 6423, 10705, 14987, 19269, 32115, 44961, 74935, 96345, 104909, 134883, 224805, 314727, 524545, 674415, 944181, 1573635, 4720905]

約数ペア:

[(1, 4720905), (3, 1573635), (5, 944181), (7, 674415), (9, 524545), (15, 314727), (21, 224805), (35, 134883), (45, 104909), (49, 96345), (63, 74935), (105, 44961), (147, 32115), (245, 19269), (315, 14987), (441, 10705), (735, 6423), (2141, 2205)]