71491455

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3109}}^1$

素因数の和:3200

約数の個数: 48

約数和(自身を含む): 143607360

約数和(自身を除く): 72115905

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 73, 105, 219, 315, 365, 511, 657, 1095, 1533, 2555, 3109, 3285, 4599, 7665, 9327, 15545, 21763, 22995, 27981, 46635, 65289, 108815, 139905, 195867, 226957, 326445, 680871, 979335, 1134785, 1588699, 2042613, 3404355, 4766097, 7943495, 10213065, 14298291, 23830485, 71491455]

約数ペア:

[(1, 71491455), (3, 23830485), (5, 14298291), (7, 10213065), (9, 7943495), (15, 4766097), (21, 3404355), (35, 2042613), (45, 1588699), (63, 1134785), (73, 979335), (105, 680871), (219, 326445), (315, 226957), (365, 195867), (511, 139905), (657, 108815), (1095, 65289), (1533, 46635), (2555, 27981), (3109, 22995), (3285, 21763), (4599, 15545), (7665, 9327)]