42505515

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{643}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 80170272

約数和(自身を除く): 37664757

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 113, 117, 195, 339, 565, 585, 643, 1017, 1469, 1695, 1929, 3215, 4407, 5085, 5787, 7345, 8359, 9645, 13221, 22035, 25077, 28935, 41795, 66105, 72659, 75231, 125385, 217977, 363295, 376155, 653931, 944567, 1089885, 2833701, 3269655, 4722835, 8501103, 14168505, 42505515]

約数ペア:

[(1, 42505515), (3, 14168505), (5, 8501103), (9, 4722835), (13, 3269655), (15, 2833701), (39, 1089885), (45, 944567), (65, 653931), (113, 376155), (117, 363295), (195, 217977), (339, 125385), (565, 75231), (585, 72659), (643, 66105), (1017, 41795), (1469, 28935), (1695, 25077), (1929, 22035), (3215, 13221), (4407, 9645), (5085, 8359), (5787, 7345)]