19991625

素因数分解:

$3^1\times 5^3\times {\mathrm{89}}^1\times {\mathrm{599}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 33696000

約数和(自身を除く): 13704375

約数列:

[1, 3, 5, 15, 25, 75, 89, 125, 267, 375, 445, 599, 1335, 1797, 2225, 2995, 6675, 8985, 11125, 14975, 33375, 44925, 53311, 74875, 159933, 224625, 266555, 799665, 1332775, 3998325, 6663875, 19991625]

約数ペア:

[(1, 19991625), (3, 6663875), (5, 3998325), (15, 1332775), (25, 799665), (75, 266555), (89, 224625), (125, 159933), (267, 74875), (375, 53311), (445, 44925), (599, 33375), (1335, 14975), (1797, 11125), (2225, 8985), (2995, 6675)]