81851685

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1613}}^1$

素因数の和:1837

約数の個数: 32

約数和(自身を含む): 139449600

約数和(自身を除く): 57597915

約数列:

[1, 3, 5, 15, 17, 51, 85, 199, 255, 597, 995, 1613, 2985, 3383, 4839, 8065, 10149, 16915, 24195, 27421, 50745, 82263, 137105, 320987, 411315, 962961, 1604935, 4814805, 5456779, 16370337, 27283895, 81851685]

約数ペア:

[(1, 81851685), (3, 27283895), (5, 16370337), (15, 5456779), (17, 4814805), (51, 1604935), (85, 962961), (199, 411315), (255, 320987), (597, 137105), (995, 82263), (1613, 50745), (2985, 27421), (3383, 24195), (4839, 16915), (8065, 10149)]