81803745

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1753}}^1$

素因数の和:1842

約数の個数: 48

約数和(自身を含む): 152682192

約数和(自身を除く): 70878447

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 61, 85, 153, 183, 255, 305, 549, 765, 915, 1037, 1753, 2745, 3111, 5185, 5259, 8765, 9333, 15555, 15777, 26295, 29801, 46665, 78885, 89403, 106933, 149005, 268209, 320799, 447015, 534665, 962397, 1341045, 1603995, 1817861, 4811985, 5453583, 9089305, 16360749, 27267915, 81803745]

約数ペア:

[(1, 81803745), (3, 27267915), (5, 16360749), (9, 9089305), (15, 5453583), (17, 4811985), (45, 1817861), (51, 1603995), (61, 1341045), (85, 962397), (153, 534665), (183, 447015), (255, 320799), (305, 268209), (549, 149005), (765, 106933), (915, 89403), (1037, 78885), (1753, 46665), (2745, 29801), (3111, 26295), (5185, 15777), (5259, 15555), (8765, 9333)]