28820979

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{9391}}^1$

素因数の和:9439

約数の個数: 24

約数和(自身を含む): 46884864

約数和(自身を除く): 18063885

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 279, 341, 1023, 3069, 9391, 28173, 84519, 103301, 291121, 309903, 873363, 929709, 2620089, 3202331, 9606993, 28820979]

約数ペア:

[(1, 28820979), (3, 9606993), (9, 3202331), (11, 2620089), (31, 929709), (33, 873363), (93, 309903), (99, 291121), (279, 103301), (341, 84519), (1023, 28173), (3069, 9391)]