40709571

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{397}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 65717760

約数和(自身を除く): 25008189

約数列:

[1, 3, 7, 19, 21, 57, 133, 257, 397, 399, 771, 1191, 1799, 2779, 4883, 5397, 7543, 8337, 14649, 22629, 34181, 52801, 102029, 102543, 158403, 306087, 714203, 1938551, 2142609, 5815653, 13569857, 40709571]

約数ペア:

[(1, 40709571), (3, 13569857), (7, 5815653), (19, 2142609), (21, 1938551), (57, 714203), (133, 306087), (257, 158403), (397, 102543), (399, 102029), (771, 52801), (1191, 34181), (1799, 22629), (2779, 14649), (4883, 8337), (5397, 7543)]