64788717

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{523}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 105034752

約数和(自身を除く): 40246035

約数列:

[1, 3, 7, 17, 21, 51, 119, 347, 357, 523, 1041, 1569, 2429, 3661, 5899, 7287, 8891, 10983, 17697, 26673, 41293, 62237, 123879, 181481, 186711, 544443, 1270367, 3085177, 3811101, 9255531, 21596239, 64788717]

約数ペア:

[(1, 64788717), (3, 21596239), (7, 9255531), (17, 3811101), (21, 3085177), (51, 1270367), (119, 544443), (347, 186711), (357, 181481), (523, 123879), (1041, 62237), (1569, 41293), (2429, 26673), (3661, 17697), (5899, 10983), (7287, 8891)]