28897713

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4049}}^1$

素因数の和:4129

約数の個数: 24

約数和(自身を含む): 45700200

約数和(自身を除く): 16802487

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 4049, 7137, 12147, 36441, 52637, 157911, 246989, 473733, 740967, 2222901, 3210857, 9632571, 28897713]

約数ペア:

[(1, 28897713), (3, 9632571), (9, 3210857), (13, 2222901), (39, 740967), (61, 473733), (117, 246989), (183, 157911), (549, 52637), (793, 36441), (2379, 12147), (4049, 7137)]