15891687

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1789}}^1$

素因数の和:1852

約数の個数: 32

約数和(自身を含む): 27494400

約数和(自身を除く): 11602713

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 1789, 2961, 5367, 8883, 12523, 16101, 37569, 48303, 84083, 112707, 252249, 338121, 588581, 756747, 1765743, 2270241, 5297229, 15891687]

約数ペア:

[(1, 15891687), (3, 5297229), (7, 2270241), (9, 1765743), (21, 756747), (27, 588581), (47, 338121), (63, 252249), (141, 112707), (189, 84083), (329, 48303), (423, 37569), (987, 16101), (1269, 12523), (1789, 8883), (2961, 5367)]