128691885

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{25013}}^1$

素因数の和:25042

約数の個数: 32

約数和(自身を含む): 240134400

約数和(自身を除く): 111442515

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 5145, 25013, 75039, 125065, 175091, 375195, 525273, 875455, 1225637, 2626365, 3676911, 6128185, 8579459, 18384555, 25738377, 42897295, 128691885]

約数ペア:

[(1, 128691885), (3, 42897295), (5, 25738377), (7, 18384555), (15, 8579459), (21, 6128185), (35, 3676911), (49, 2626365), (105, 1225637), (147, 875455), (245, 525273), (343, 375195), (735, 175091), (1029, 125065), (1715, 75039), (5145, 25013)]