2905945281

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{99563}}^1$

素因数の和:99642

約数の個数: 32

約数和(自身を含む): 4587909120

約数和(自身を除く): 1681963839

約数列:

[1, 3, 9, 23, 27, 47, 69, 141, 207, 423, 621, 1081, 1269, 3243, 9729, 29187, 99563, 298689, 896067, 2289949, 2688201, 4679461, 6869847, 14038383, 20609541, 42115149, 61828623, 107627603, 126345447, 322882809, 968648427, 2905945281]

約数ペア:

[(1, 2905945281), (3, 968648427), (9, 322882809), (23, 126345447), (27, 107627603), (47, 61828623), (69, 42115149), (141, 20609541), (207, 14038383), (423, 6869847), (621, 4679461), (1081, 2688201), (1269, 2289949), (3243, 896067), (9729, 298689), (29187, 99563)]