777775905

素因数分解:

$3^3\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{2953}}^1$

素因数の和:4918

約数の個数: 32

約数和(自身を含む): 1383889920

約数和(自身を除く): 606114015

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1951, 2953, 5853, 8859, 9755, 14765, 17559, 26577, 29265, 44295, 52677, 79731, 87795, 132885, 263385, 398655, 5761303, 17283909, 28806515, 51851727, 86419545, 155555181, 259258635, 777775905]

約数ペア:

[(1, 777775905), (3, 259258635), (5, 155555181), (9, 86419545), (15, 51851727), (27, 28806515), (45, 17283909), (135, 5761303), (1951, 398655), (2953, 263385), (5853, 132885), (8859, 87795), (9755, 79731), (14765, 52677), (17559, 44295), (26577, 29265)]