64997655

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{643}}^1$

素因数の和:967

約数の個数: 32

約数和(自身を含む): 109057536

約数和(自身を除く): 44059881

約数列:

[1, 3, 5, 15, 23, 69, 115, 293, 345, 643, 879, 1465, 1929, 3215, 4395, 6739, 9645, 14789, 20217, 33695, 44367, 73945, 101085, 188399, 221835, 565197, 941995, 2825985, 4333177, 12999531, 21665885, 64997655]

約数ペア:

[(1, 64997655), (3, 21665885), (5, 12999531), (15, 4333177), (23, 2825985), (69, 941995), (115, 565197), (293, 221835), (345, 188399), (643, 101085), (879, 73945), (1465, 44367), (1929, 33695), (3215, 20217), (4395, 14789), (6739, 9645)]