28831545

素因数分解:

$3^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{277}}^1$

素因数の和:551

約数の個数: 40

約数和(自身を含む): 52071624

約数和(自身を除く): 23240079

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 257, 277, 405, 771, 831, 1285, 1385, 2313, 2493, 3855, 4155, 6939, 7479, 11565, 12465, 20817, 22437, 34695, 37395, 71189, 104085, 112185, 213567, 355945, 640701, 1067835, 1922103, 3203505, 5766309, 9610515, 28831545]

約数ペア:

[(1, 28831545), (3, 9610515), (5, 5766309), (9, 3203505), (15, 1922103), (27, 1067835), (45, 640701), (81, 355945), (135, 213567), (257, 112185), (277, 104085), (405, 71189), (771, 37395), (831, 34695), (1285, 22437), (1385, 20817), (2313, 12465), (2493, 11565), (3855, 7479), (4155, 6939)]