213420792315

素因数分解:

$3^1\times 5^1\times {\mathrm{947}}^1\times {\mathrm{2789}}^1\times {\mathrm{5387}}^1$

素因数の和:9131

約数の個数: 32

約数和(自身を含む): 342019895040

約数和(自身を除く): 128599102725

約数列:

[1, 3, 5, 15, 947, 2789, 2841, 4735, 5387, 8367, 13945, 14205, 16161, 26935, 41835, 80805, 2641183, 5101489, 7923549, 13205915, 15024343, 15304467, 25507445, 39617745, 45073029, 75121715, 76522335, 225365145, 14228052821, 42684158463, 71140264105, 213420792315]

約数ペア:

[(1, 213420792315), (3, 71140264105), (5, 42684158463), (15, 14228052821), (947, 225365145), (2789, 76522335), (2841, 75121715), (4735, 45073029), (5387, 39617745), (8367, 25507445), (13945, 15304467), (14205, 15024343), (16161, 13205915), (26935, 7923549), (41835, 5101489), (80805, 2641183)]