About the Number

12386439

12386438 ← → 12386440

2進数表記:101111010000000010000111

漢数字表記:千二百三十八万六千四百三十九

素因数分解:

3 6 × 13 1 × 1307 1

素因数の和:1338
約数の個数: 28
約数和(自身を含む): 20015016
約数和(自身を除く): 7628577

約数列:
[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 1307, 3159, 3921, 9477, 11763, 16991, 35289, 50973, 105867, 152919, 317601, 458757, 952803, 1376271, 4128813, 12386439]

約数ペア:
[(1, 12386439), (3, 4128813), (9, 1376271), (13, 952803), (27, 458757), (39, 317601), (81, 152919), (117, 105867), (243, 50973), (351, 35289), (729, 16991), (1053, 11763), (1307, 9477), (3159, 3921)]

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