212530305

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{7841}}^1$

素因数の和:8001

約数の個数: 32

約数和(自身を含む): 368887680

約数和(自身を除く): 156357375

約数列:

[1, 3, 5, 13, 15, 39, 65, 139, 195, 417, 695, 1807, 2085, 5421, 7841, 9035, 23523, 27105, 39205, 101933, 117615, 305799, 509665, 1089899, 1528995, 3269697, 5449495, 14168687, 16348485, 42506061, 70843435, 212530305]

約数ペア:

[(1, 212530305), (3, 70843435), (5, 42506061), (13, 16348485), (15, 14168687), (39, 5449495), (65, 3269697), (139, 1528995), (195, 1089899), (417, 509665), (695, 305799), (1807, 117615), (2085, 101933), (5421, 39205), (7841, 27105), (9035, 23523)]