28780491753

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{56123}}^1$

素因数の和:56635

約数の個数: 40

約数和(自身を含む): 46396139328

約数和(自身を除く): 17615647575

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 487, 1053, 1461, 4383, 6331, 13149, 18993, 39447, 56123, 56979, 168369, 170937, 505107, 512811, 729599, 1515321, 2188797, 4545963, 6566391, 19699173, 27331901, 59097519, 81995703, 245987109, 355314713, 737961327, 1065944139, 2213883981, 3197832417, 9593497251, 28780491753]

約数ペア:

[(1, 28780491753), (3, 9593497251), (9, 3197832417), (13, 2213883981), (27, 1065944139), (39, 737961327), (81, 355314713), (117, 245987109), (351, 81995703), (487, 59097519), (1053, 27331901), (1461, 19699173), (4383, 6566391), (6331, 4545963), (13149, 2188797), (18993, 1515321), (39447, 729599), (56123, 512811), (56979, 505107), (168369, 170937)]