20183391

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 31320000

約数和(自身を除く): 11136609

約数列:

[1, 3, 9, 27, 29, 87, 149, 173, 261, 447, 519, 783, 1341, 1557, 4023, 4321, 4671, 5017, 12963, 15051, 25777, 38889, 45153, 77331, 116667, 135459, 231993, 695979, 747533, 2242599, 6727797, 20183391]

約数ペア:

[(1, 20183391), (3, 6727797), (9, 2242599), (27, 747533), (29, 695979), (87, 231993), (149, 135459), (173, 116667), (261, 77331), (447, 45153), (519, 38889), (783, 25777), (1341, 15051), (1557, 12963), (4023, 5017), (4321, 4671)]