28887417

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6673}}^1$

素因数の和:6729

約数の個数: 24

約数和(自身を含む): 46157384

約数和(自身を除く): 17269967

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 6673, 20019, 60057, 86749, 246901, 260247, 740703, 780741, 2222109, 3209713, 9629139, 28887417]

約数ペア:

[(1, 28887417), (3, 9629139), (9, 3209713), (13, 2222109), (37, 780741), (39, 740703), (111, 260247), (117, 246901), (333, 86749), (481, 60057), (1443, 20019), (4329, 6673)]