289236087

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^2\times {\mathrm{401}}^1$

素因数の和:628

約数の個数: 36

約数和(自身を含む): 483175056

約数和(自身を除く): 193938969

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 401, 749, 963, 1203, 2247, 2807, 3609, 6741, 8421, 11449, 25263, 34347, 42907, 80143, 103041, 128721, 240429, 300349, 386163, 721287, 901047, 2703141, 4591049, 13773147, 32137343, 41319441, 96412029, 289236087]

約数ペア:

[(1, 289236087), (3, 96412029), (7, 41319441), (9, 32137343), (21, 13773147), (63, 4591049), (107, 2703141), (321, 901047), (401, 721287), (749, 386163), (963, 300349), (1203, 240429), (2247, 128721), (2807, 103041), (3609, 80143), (6741, 42907), (8421, 34347), (11449, 25263)]