4990005

素因数分解:

$3^6\times 5^1\times {\mathrm{37}}^2$

素因数の和:97

約数の個数: 42

約数和(自身を含む): 9227106

約数和(自身を除く): 4237101

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 111, 135, 185, 243, 333, 405, 555, 729, 999, 1215, 1369, 1665, 2997, 3645, 4107, 4995, 6845, 8991, 12321, 14985, 20535, 26973, 36963, 44955, 61605, 110889, 134865, 184815, 332667, 554445, 998001, 1663335, 4990005]

約数ペア:

[(1, 4990005), (3, 1663335), (5, 998001), (9, 554445), (15, 332667), (27, 184815), (37, 134865), (45, 110889), (81, 61605), (111, 44955), (135, 36963), (185, 26973), (243, 20535), (333, 14985), (405, 12321), (555, 8991), (729, 6845), (999, 4995), (1215, 4107), (1369, 3645), (1665, 2997)]