11891529

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:539

約数の個数: 40

約数和(自身を含む): 20002752

約数和(自身を除く): 8111223

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 117, 207, 299, 351, 491, 621, 897, 1053, 1473, 1863, 2691, 4419, 6383, 8073, 11293, 13257, 19149, 24219, 33879, 39771, 57447, 101637, 146809, 172341, 304911, 440427, 517023, 914733, 1321281, 3963843, 11891529]

約数ペア:

[(1, 11891529), (3, 3963843), (9, 1321281), (13, 914733), (23, 517023), (27, 440427), (39, 304911), (69, 172341), (81, 146809), (117, 101637), (207, 57447), (299, 39771), (351, 33879), (491, 24219), (621, 19149), (897, 13257), (1053, 11293), (1473, 8073), (1863, 6383), (2691, 4419)]