243668225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{3203}}^1$

素因数の和:3409

約数の個数: 24

約数和(自身を含む): 321809760

約数和(自身を除く): 78141535

約数列:

[1, 5, 17, 25, 85, 179, 425, 895, 3043, 3203, 4475, 15215, 16015, 54451, 76075, 80075, 272255, 573337, 1361275, 2866685, 9746729, 14333425, 48733645, 243668225]

約数ペア:

[(1, 243668225), (5, 48733645), (17, 14333425), (25, 9746729), (85, 2866685), (179, 1361275), (425, 573337), (895, 272255), (3043, 80075), (3203, 76075), (4475, 54451), (15215, 16015)]