140219961

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{751}}^1$

素因数の和:1301

約数の個数: 32

約数和(自身を含む): 226971648

約数和(自身を除く): 86751687

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 523, 751, 1569, 2253, 3661, 5257, 8891, 10983, 12767, 15771, 26673, 38301, 62237, 89369, 186711, 268107, 392773, 1178319, 2749411, 6677141, 8248233, 20031423, 46739987, 140219961]

約数ペア:

[(1, 140219961), (3, 46739987), (7, 20031423), (17, 8248233), (21, 6677141), (51, 2749411), (119, 1178319), (357, 392773), (523, 268107), (751, 186711), (1569, 89369), (2253, 62237), (3661, 38301), (5257, 26673), (8891, 15771), (10983, 12767)]