55213578

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{438203}}^1$

素因数の和:438218

約数の個数: 24

約数和(自身を含む): 136719648

約数和(自身を除く): 81506070

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 438203, 876406, 1314609, 2629218, 3067421, 3943827, 6134842, 7887654, 9202263, 18404526, 27606789, 55213578]

約数ペア:

[(1, 55213578), (2, 27606789), (3, 18404526), (6, 9202263), (7, 7887654), (9, 6134842), (14, 3943827), (18, 3067421), (21, 2629218), (42, 1314609), (63, 876406), (126, 438203)]