68089005

素因数分解:

$3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1889}}^1$

素因数の和:1995

約数の個数: 40

約数和(自身を含む): 123492600

約数和(自身を除く): 55403595

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 89, 135, 267, 405, 445, 801, 1335, 1889, 2403, 4005, 5667, 7209, 9445, 12015, 17001, 28335, 36045, 51003, 85005, 153009, 168121, 255015, 504363, 765045, 840605, 1513089, 2521815, 4539267, 7565445, 13617801, 22696335, 68089005]

約数ペア:

[(1, 68089005), (3, 22696335), (5, 13617801), (9, 7565445), (15, 4539267), (27, 2521815), (45, 1513089), (81, 840605), (89, 765045), (135, 504363), (267, 255015), (405, 168121), (445, 153009), (801, 85005), (1335, 51003), (1889, 36045), (2403, 28335), (4005, 17001), (5667, 12015), (7209, 9445)]