661738410

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{816961}}^1$

素因数の和:816980

約数の個数: 40

約数和(自身を含む): 1779343236

約数和(自身を除く): 1117604826

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 816961, 1633922, 2450883, 4084805, 4901766, 7352649, 8169610, 12254415, 14705298, 22057947, 24508830, 36763245, 44115894, 66173841, 73526490, 110289735, 132347682, 220579470, 330869205, 661738410]

約数ペア:

[(1, 661738410), (2, 330869205), (3, 220579470), (5, 132347682), (6, 110289735), (9, 73526490), (10, 66173841), (15, 44115894), (18, 36763245), (27, 24508830), (30, 22057947), (45, 14705298), (54, 12254415), (81, 8169610), (90, 7352649), (135, 4901766), (162, 4084805), (270, 2450883), (405, 1633922), (810, 816961)]