64788513

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 94556160

約数和(自身を除く): 29767647

約数列:

[1, 3, 17, 47, 51, 141, 151, 179, 453, 537, 799, 2397, 2567, 3043, 7097, 7701, 8413, 9129, 21291, 25239, 27029, 81087, 120649, 143021, 361947, 429063, 459493, 1270363, 1378479, 3811089, 21596171, 64788513]

約数ペア:

[(1, 64788513), (3, 21596171), (17, 3811089), (47, 1378479), (51, 1270363), (141, 459493), (151, 429063), (179, 361947), (453, 143021), (537, 120649), (799, 81087), (2397, 27029), (2567, 25239), (3043, 21291), (7097, 9129), (7701, 8413)]