26965515

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 44706816

約数和(自身を除く): 17741301

約数列:

[1, 3, 5, 15, 43, 97, 129, 215, 291, 431, 485, 645, 1293, 1455, 2155, 4171, 6465, 12513, 18533, 20855, 41807, 55599, 62565, 92665, 125421, 209035, 277995, 627105, 1797701, 5393103, 8988505, 26965515]

約数ペア:

[(1, 26965515), (3, 8988505), (5, 5393103), (15, 1797701), (43, 627105), (97, 277995), (129, 209035), (215, 125421), (291, 92665), (431, 62565), (485, 55599), (645, 41807), (1293, 20855), (1455, 18533), (2155, 12513), (4171, 6465)]