2978865

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1249}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 5265000

約数和(自身を除く): 2286135

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 1249, 2385, 3747, 6245, 11241, 18735, 56205, 66197, 198591, 330985, 595773, 992955, 2978865]

約数ペア:

[(1, 2978865), (3, 992955), (5, 595773), (9, 330985), (15, 198591), (45, 66197), (53, 56205), (159, 18735), (265, 11241), (477, 6245), (795, 3747), (1249, 2385)]