278315271

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2339}}^1$

素因数の和:2477

約数の個数: 40

約数和(自身を含む): 451891440

約数和(自身を除く): 173576169

約数列:

[1, 3, 9, 13, 27, 39, 81, 113, 117, 339, 351, 1017, 1053, 1469, 2339, 3051, 4407, 7017, 9153, 13221, 21051, 30407, 39663, 63153, 91221, 118989, 189459, 264307, 273663, 792921, 820989, 2378763, 2462967, 3435991, 7136289, 10307973, 21408867, 30923919, 92771757, 278315271]

約数ペア:

[(1, 278315271), (3, 92771757), (9, 30923919), (13, 21408867), (27, 10307973), (39, 7136289), (81, 3435991), (113, 2462967), (117, 2378763), (339, 820989), (351, 792921), (1017, 273663), (1053, 264307), (1469, 189459), (2339, 118989), (3051, 91221), (4407, 63153), (7017, 39663), (9153, 30407), (13221, 21051)]