1800117

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:79

約数の個数: 48

約数和(自身を含む): 3192000

約数和(自身を除く): 1391883

約数列:

[1, 3, 9, 11, 19, 27, 29, 33, 57, 87, 99, 121, 171, 209, 261, 297, 319, 363, 513, 551, 627, 783, 957, 1089, 1653, 1881, 2299, 2871, 3267, 3509, 4959, 5643, 6061, 6897, 8613, 10527, 14877, 18183, 20691, 31581, 54549, 62073, 66671, 94743, 163647, 200013, 600039, 1800117]

約数ペア:

[(1, 1800117), (3, 600039), (9, 200013), (11, 163647), (19, 94743), (27, 66671), (29, 62073), (33, 54549), (57, 31581), (87, 20691), (99, 18183), (121, 14877), (171, 10527), (209, 8613), (261, 6897), (297, 6061), (319, 5643), (363, 4959), (513, 3509), (551, 3267), (627, 2871), (783, 2299), (957, 1881), (1089, 1653)]