15941691

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:277

約数の個数: 40

約数和(自身を含む): 25555200

約数和(自身を除く): 9613509

約数列:

[1, 3, 9, 23, 27, 43, 69, 81, 129, 199, 207, 387, 597, 621, 989, 1161, 1791, 1863, 2967, 3483, 4577, 5373, 8557, 8901, 13731, 16119, 25671, 26703, 41193, 77013, 80109, 123579, 196811, 231039, 370737, 590433, 693117, 1771299, 5313897, 15941691]

約数ペア:

[(1, 15941691), (3, 5313897), (9, 1771299), (23, 693117), (27, 590433), (43, 370737), (69, 231039), (81, 196811), (129, 123579), (199, 80109), (207, 77013), (387, 41193), (597, 26703), (621, 25671), (989, 16119), (1161, 13731), (1791, 8901), (1863, 8557), (2967, 5373), (3483, 4577)]