251865

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 453960

約数和(自身を除く): 202095

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 193, 261, 435, 579, 965, 1305, 1737, 2895, 5597, 8685, 16791, 27985, 50373, 83955, 251865]

約数ペア:

[(1, 251865), (3, 83955), (5, 50373), (9, 27985), (15, 16791), (29, 8685), (45, 5597), (87, 2895), (145, 1737), (193, 1305), (261, 965), (435, 579)]