198978543

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{14347}}^1$

素因数の和:14443

約数の個数: 24

約数和(自身を含む): 304407168

約数和(自身を除く): 105428625

約数列:

[1, 3, 9, 23, 67, 69, 201, 207, 603, 1541, 4623, 13869, 14347, 43041, 129123, 329981, 961249, 989943, 2883747, 2969829, 8651241, 22108727, 66326181, 198978543]

約数ペア:

[(1, 198978543), (3, 66326181), (9, 22108727), (23, 8651241), (67, 2969829), (69, 2883747), (201, 989943), (207, 961249), (603, 329981), (1541, 129123), (4623, 43041), (13869, 14347)]