68987331

素因数分解:

$3^2\times 7^1\times {\mathrm{719}}^1\times {\mathrm{1523}}^1$

素因数の和:2255

約数の個数: 24

約数和(自身を含む): 114117120

約数和(自身を除く): 45129789

約数列:

[1, 3, 7, 9, 21, 63, 719, 1523, 2157, 4569, 5033, 6471, 10661, 13707, 15099, 31983, 45297, 95949, 1095037, 3285111, 7665259, 9855333, 22995777, 68987331]

約数ペア:

[(1, 68987331), (3, 22995777), (7, 9855333), (9, 7665259), (21, 3285111), (63, 1095037), (719, 95949), (1523, 45297), (2157, 31983), (4569, 15099), (5033, 13707), (6471, 10661)]