77948205

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 127419264

約数和(自身を除く): 49471059

約数列:

[1, 3, 5, 15, 83, 137, 249, 411, 415, 457, 685, 1245, 1371, 2055, 2285, 6855, 11371, 34113, 37931, 56855, 62609, 113793, 170565, 187827, 189655, 313045, 568965, 939135, 5196547, 15589641, 25982735, 77948205]

約数ペア:

[(1, 77948205), (3, 25982735), (5, 15589641), (15, 5196547), (83, 939135), (137, 568965), (249, 313045), (411, 189655), (415, 187827), (457, 170565), (685, 113793), (1245, 62609), (1371, 56855), (2055, 37931), (2285, 34113), (6855, 11371)]