15291237

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 22974336

約数和(自身を除く): 7683099

約数列:

[1, 3, 13, 39, 41, 73, 123, 131, 219, 393, 533, 949, 1599, 1703, 2847, 2993, 5109, 5371, 8979, 9563, 16113, 28689, 38909, 69823, 116727, 124319, 209469, 372957, 392083, 1176249, 5097079, 15291237]

約数ペア:

[(1, 15291237), (3, 5097079), (13, 1176249), (39, 392083), (41, 372957), (73, 209469), (123, 124319), (131, 116727), (219, 69823), (393, 38909), (533, 28689), (949, 16113), (1599, 9563), (1703, 8979), (2847, 5371), (2993, 5109)]