278889309

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{317}}^1\times {\mathrm{1459}}^1$

素因数の和:1849

約数の個数: 24

約数和(自身を含む): 410423520

約数和(自身を除く): 131534211

約数列:

[1, 3, 9, 67, 201, 317, 603, 951, 1459, 2853, 4377, 13131, 21239, 63717, 97753, 191151, 293259, 462503, 879777, 1387509, 4162527, 30987701, 92963103, 278889309]

約数ペア:

[(1, 278889309), (3, 92963103), (9, 30987701), (67, 4162527), (201, 1387509), (317, 879777), (603, 462503), (951, 293259), (1459, 191151), (2853, 97753), (4377, 63717), (13131, 21239)]