211612797

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 359424000

約数和(自身を除く): 147811203

約数列:

[1, 3, 9, 11, 27, 29, 33, 79, 87, 99, 237, 261, 297, 311, 319, 711, 783, 869, 933, 957, 2133, 2291, 2607, 2799, 2871, 3421, 6873, 7821, 8397, 8613, 9019, 10263, 20619, 23463, 24569, 25201, 27057, 30789, 61857, 73707, 75603, 81171, 92367, 99209, 221121, 226809, 243513, 270259, 297627, 663363, 680427, 712501, 810777, 892881, 2137503, 2432331, 2678643, 6412509, 7296993, 7837511, 19237527, 23512533, 70537599, 211612797]

約数ペア:

[(1, 211612797), (3, 70537599), (9, 23512533), (11, 19237527), (27, 7837511), (29, 7296993), (33, 6412509), (79, 2678643), (87, 2432331), (99, 2137503), (237, 892881), (261, 810777), (297, 712501), (311, 680427), (319, 663363), (711, 297627), (783, 270259), (869, 243513), (933, 226809), (957, 221121), (2133, 99209), (2291, 92367), (2607, 81171), (2799, 75603), (2871, 73707), (3421, 61857), (6873, 30789), (7821, 27057), (8397, 25201), (8613, 24569), (9019, 23463), (10263, 20619)]