28775019

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{967}}^1$

素因数の和:1099

約数の個数: 32

約数和(自身を含む): 47703040

約数和(自身を除く): 18928021

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 327, 763, 967, 1417, 2289, 2901, 4251, 6769, 9919, 12571, 20307, 29757, 37713, 87997, 105403, 263991, 316209, 737821, 1370239, 2213463, 4110717, 9591673, 28775019]

約数ペア:

[(1, 28775019), (3, 9591673), (7, 4110717), (13, 2213463), (21, 1370239), (39, 737821), (91, 316209), (109, 263991), (273, 105403), (327, 87997), (763, 37713), (967, 29757), (1417, 20307), (2289, 12571), (2901, 9919), (4251, 6769)]