2195445

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 4268160

約数和(自身を除く): 2072715

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 49, 87, 103, 105, 145, 147, 203, 245, 309, 435, 515, 609, 721, 735, 1015, 1421, 1545, 2163, 2987, 3045, 3605, 4263, 5047, 7105, 8961, 10815, 14935, 15141, 20909, 21315, 25235, 44805, 62727, 75705, 104545, 146363, 313635, 439089, 731815, 2195445]

約数ペア:

[(1, 2195445), (3, 731815), (5, 439089), (7, 313635), (15, 146363), (21, 104545), (29, 75705), (35, 62727), (49, 44805), (87, 25235), (103, 21315), (105, 20909), (145, 15141), (147, 14935), (203, 10815), (245, 8961), (309, 7105), (435, 5047), (515, 4263), (609, 3605), (721, 3045), (735, 2987), (1015, 2163), (1421, 1545)]