215684586

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{307243}}^1$

素因数の和:307267

約数の個数: 32

約数和(自身を含む): 516169920

約数和(自身を除く): 300485334

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 307243, 614486, 921729, 1843458, 2765187, 3994159, 5530374, 7988318, 8295561, 11982477, 16591122, 23964954, 35947431, 71894862, 107842293, 215684586]

約数ペア:

[(1, 215684586), (2, 107842293), (3, 71894862), (6, 35947431), (9, 23964954), (13, 16591122), (18, 11982477), (26, 8295561), (27, 7988318), (39, 5530374), (54, 3994159), (78, 2765187), (117, 1843458), (234, 921729), (351, 614486), (702, 307243)]