251017299

素因数分解:

$3^{11}\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 409208800

約数和(自身を除く): 158191501

約数列:

[1, 3, 9, 13, 27, 39, 81, 109, 117, 243, 327, 351, 729, 981, 1053, 1417, 2187, 2943, 3159, 4251, 6561, 8829, 9477, 12753, 19683, 26487, 28431, 38259, 59049, 79461, 85293, 114777, 177147, 238383, 255879, 344331, 715149, 767637, 1032993, 2145447, 2302911, 3098979, 6436341, 9296937, 19309023, 27890811, 83672433, 251017299]

約数ペア:

[(1, 251017299), (3, 83672433), (9, 27890811), (13, 19309023), (27, 9296937), (39, 6436341), (81, 3098979), (109, 2302911), (117, 2145447), (243, 1032993), (327, 767637), (351, 715149), (729, 344331), (981, 255879), (1053, 238383), (1417, 177147), (2187, 114777), (2943, 85293), (3159, 79461), (4251, 59049), (6561, 38259), (8829, 28431), (9477, 26487), (12753, 19683)]