279736281

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1395

約数の個数: 64

約数和(自身を含む): 487342080

約数和(自身を除く): 207605799

約数列:

[1, 3, 9, 11, 23, 27, 31, 33, 69, 93, 99, 207, 253, 279, 297, 341, 621, 713, 759, 837, 1023, 1321, 2139, 2277, 3069, 3963, 6417, 6831, 7843, 9207, 11889, 14531, 19251, 23529, 30383, 35667, 40951, 43593, 70587, 91149, 122853, 130779, 211761, 273447, 334213, 368559, 392337, 450461, 820341, 941873, 1002639, 1105677, 1351383, 2825619, 3007917, 4054149, 8476857, 9023751, 10360603, 12162447, 25430571, 31081809, 93245427, 279736281]

約数ペア:

[(1, 279736281), (3, 93245427), (9, 31081809), (11, 25430571), (23, 12162447), (27, 10360603), (31, 9023751), (33, 8476857), (69, 4054149), (93, 3007917), (99, 2825619), (207, 1351383), (253, 1105677), (279, 1002639), (297, 941873), (341, 820341), (621, 450461), (713, 392337), (759, 368559), (837, 334213), (1023, 273447), (1321, 211761), (2139, 130779), (2277, 122853), (3069, 91149), (3963, 70587), (6417, 43593), (6831, 40951), (7843, 35667), (9207, 30383), (11889, 23529), (14531, 19251)]