661038045

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{620693}}^1$

素因数の和:620772

約数の個数: 16

約数和(自身を含む): 1072559232

約数和(自身を除く): 411521187

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 620693, 1862079, 3103465, 9310395, 44069203, 132207609, 220346015, 661038045]

約数ペア:

[(1, 661038045), (3, 220346015), (5, 132207609), (15, 44069203), (71, 9310395), (213, 3103465), (355, 1862079), (1065, 620693)]