66708765

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9689}}^1$

素因数の和:9723

約数の個数: 40

約数和(自身を含む): 126628920

約数和(自身を除く): 59920155

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 9689, 29067, 48445, 87201, 145335, 164713, 261603, 436005, 494139, 784809, 823565, 1308015, 1482417, 2470695, 3924045, 4447251, 7412085, 13341753, 22236255, 66708765]

約数ペア:

[(1, 66708765), (3, 22236255), (5, 13341753), (9, 7412085), (15, 4447251), (17, 3924045), (27, 2470695), (45, 1482417), (51, 1308015), (81, 823565), (85, 784809), (135, 494139), (153, 436005), (255, 261603), (405, 164713), (459, 145335), (765, 87201), (1377, 48445), (2295, 29067), (6885, 9689)]