720423

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 1198080

約数和(自身を除く): 477657

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 383, 627, 1149, 1881, 3447, 4213, 7277, 12639, 21831, 37917, 65493, 80047, 240141, 720423]

約数ペア:

[(1, 720423), (3, 240141), (9, 80047), (11, 65493), (19, 37917), (33, 21831), (57, 12639), (99, 7277), (171, 4213), (209, 3447), (383, 1881), (627, 1149)]