68140845

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3299}}^1$

素因数の和:3336

約数の個数: 48

約数和(自身を含む): 129729600

約数和(自身を除く): 61588755

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 765, 1215, 1377, 2295, 3299, 4131, 6885, 9897, 16495, 20655, 29691, 49485, 56083, 89073, 148455, 168249, 267219, 280415, 445365, 504747, 801657, 841245, 1336095, 1514241, 2523735, 4008285, 4542723, 7571205, 13628169, 22713615, 68140845]

約数ペア:

[(1, 68140845), (3, 22713615), (5, 13628169), (9, 7571205), (15, 4542723), (17, 4008285), (27, 2523735), (45, 1514241), (51, 1336095), (81, 841245), (85, 801657), (135, 504747), (153, 445365), (243, 280415), (255, 267219), (405, 168249), (459, 148455), (765, 89073), (1215, 56083), (1377, 49485), (2295, 29691), (3299, 20655), (4131, 16495), (6885, 9897)]