68478705

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{607}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 125199360

約数和(自身を除く): 56720655

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 109, 115, 207, 327, 345, 545, 607, 981, 1035, 1635, 1821, 2507, 3035, 4905, 5463, 7521, 9105, 12535, 13961, 22563, 27315, 37605, 41883, 66163, 69805, 112815, 125649, 198489, 209415, 330815, 595467, 628245, 992445, 1521749, 2977335, 4565247, 7608745, 13695741, 22826235, 68478705]

約数ペア:

[(1, 68478705), (3, 22826235), (5, 13695741), (9, 7608745), (15, 4565247), (23, 2977335), (45, 1521749), (69, 992445), (109, 628245), (115, 595467), (207, 330815), (327, 209415), (345, 198489), (545, 125649), (607, 112815), (981, 69805), (1035, 66163), (1635, 41883), (1821, 37605), (2507, 27315), (3035, 22563), (4905, 13961), (5463, 12535), (7521, 9105)]