12881337

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 20742144

約数和(自身を除く): 7860807

約数列:

[1, 3, 7, 21, 31, 47, 93, 141, 217, 329, 421, 651, 987, 1263, 1457, 2947, 4371, 8841, 10199, 13051, 19787, 30597, 39153, 59361, 91357, 138509, 274071, 415527, 613397, 1840191, 4293779, 12881337]

約数ペア:

[(1, 12881337), (3, 4293779), (7, 1840191), (21, 613397), (31, 415527), (47, 274071), (93, 138509), (141, 91357), (217, 59361), (329, 39153), (421, 30597), (651, 19787), (987, 13051), (1263, 10199), (1457, 8841), (2947, 4371)]