680667777

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1049}}^1\times {\mathrm{4241}}^1$

素因数の和:5313

約数の個数: 24

約数和(自身を含む): 1042259400

約数和(自身を除く): 361591623

約数列:

[1, 3, 9, 17, 51, 153, 1049, 3147, 4241, 9441, 12723, 17833, 38169, 53499, 72097, 160497, 216291, 648873, 4448809, 13346427, 40039281, 75629753, 226889259, 680667777]

約数ペア:

[(1, 680667777), (3, 226889259), (9, 75629753), (17, 40039281), (51, 13346427), (153, 4448809), (1049, 648873), (3147, 216291), (4241, 160497), (9441, 72097), (12723, 53499), (17833, 38169)]