28674477

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12899}}^1$

素因数の和:12937

約数の個数: 24

約数和(自身を含む): 46956000

約数和(自身を除く): 18281523

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 12899, 38697, 116091, 167687, 245081, 503061, 735243, 1509183, 2205729, 3186053, 9558159, 28674477]

約数ペア:

[(1, 28674477), (3, 9558159), (9, 3186053), (13, 2205729), (19, 1509183), (39, 735243), (57, 503061), (117, 245081), (171, 167687), (247, 116091), (741, 38697), (2223, 12899)]