278712711

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{3187}}^1$

素因数の和:3316

約数の個数: 32

約数和(自身を含む): 428467200

約数和(自身を除く): 149754489

約数列:

[1, 3, 9, 27, 41, 79, 123, 237, 369, 711, 1107, 2133, 3187, 3239, 9561, 9717, 28683, 29151, 86049, 87453, 130667, 251773, 392001, 755319, 1176003, 2265957, 3528009, 6797871, 10322693, 30968079, 92904237, 278712711]

約数ペア:

[(1, 278712711), (3, 92904237), (9, 30968079), (27, 10322693), (41, 6797871), (79, 3528009), (123, 2265957), (237, 1176003), (369, 755319), (711, 392001), (1107, 251773), (2133, 130667), (3187, 87453), (3239, 86049), (9561, 29151), (9717, 28683)]