215438886

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{306893}}^1$

素因数の和:306917

約数の個数: 32

約数和(自身を含む): 515581920

約数和(自身を除く): 300143034

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 306893, 613786, 920679, 1841358, 2762037, 3989609, 5524074, 7979218, 8286111, 11968827, 16572222, 23937654, 35906481, 71812962, 107719443, 215438886]

約数ペア:

[(1, 215438886), (2, 107719443), (3, 71812962), (6, 35906481), (9, 23937654), (13, 16572222), (18, 11968827), (26, 8286111), (27, 7979218), (39, 5524074), (54, 3989609), (78, 2762037), (117, 1841358), (234, 920679), (351, 613786), (702, 306893)]