16761381

素因数分解:

$3^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:223

約数の個数: 40

約数和(自身を含む): 28234080

約数和(自身を除く): 11472699

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 179, 273, 343, 537, 637, 1029, 1253, 1911, 2327, 2401, 3759, 4459, 6981, 7203, 8771, 13377, 16289, 26313, 31213, 48867, 61397, 93639, 114023, 184191, 342069, 429779, 798161, 1289337, 2394483, 5587127, 16761381]

約数ペア:

[(1, 16761381), (3, 5587127), (7, 2394483), (13, 1289337), (21, 798161), (39, 429779), (49, 342069), (91, 184191), (147, 114023), (179, 93639), (273, 61397), (343, 48867), (537, 31213), (637, 26313), (1029, 16289), (1253, 13377), (1911, 8771), (2327, 7203), (2401, 6981), (3759, 4459)]