217187865

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{39239}}^1$

素因数の和:39294

約数の個数: 32

約数和(自身を含む): 395539200

約数和(自身を除く): 178351335

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 615, 1107, 1845, 5535, 39239, 117717, 196195, 353151, 588585, 1059453, 1608799, 1765755, 4826397, 5297265, 8043995, 14479191, 24131985, 43437573, 72395955, 217187865]

約数ペア:

[(1, 217187865), (3, 72395955), (5, 43437573), (9, 24131985), (15, 14479191), (27, 8043995), (41, 5297265), (45, 4826397), (123, 1765755), (135, 1608799), (205, 1059453), (369, 588585), (615, 353151), (1107, 196195), (1845, 117717), (5535, 39239)]