490941

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:71

約数の個数: 40

約数和(自身を含む): 871200

約数和(自身を除く): 380259

約数列:

[1, 3, 9, 11, 19, 27, 29, 33, 57, 81, 87, 99, 171, 209, 261, 297, 319, 513, 551, 627, 783, 891, 957, 1539, 1653, 1881, 2349, 2871, 4959, 5643, 6061, 8613, 14877, 16929, 18183, 25839, 44631, 54549, 163647, 490941]

約数ペア:

[(1, 490941), (3, 163647), (9, 54549), (11, 44631), (19, 25839), (27, 18183), (29, 16929), (33, 14877), (57, 8613), (81, 6061), (87, 5643), (99, 4959), (171, 2871), (209, 2349), (261, 1881), (297, 1653), (319, 1539), (513, 957), (551, 891), (627, 783)]