28789449

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 44198784

約数和(自身を除く): 15409335

約数列:

[1, 3, 13, 17, 39, 51, 173, 221, 251, 519, 663, 753, 2249, 2941, 3263, 4267, 6747, 8823, 9789, 12801, 38233, 43423, 55471, 114699, 130269, 166413, 564499, 738191, 1693497, 2214573, 9596483, 28789449]

約数ペア:

[(1, 28789449), (3, 9596483), (13, 2214573), (17, 1693497), (39, 738191), (51, 564499), (173, 166413), (221, 130269), (251, 114699), (519, 55471), (663, 43423), (753, 38233), (2249, 12801), (2941, 9789), (3263, 8823), (4267, 6747)]