22681701

素因数分解:

$3^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:495

約数の個数: 40

約数和(自身を含む): 39184640

約数和(自身を除く): 16502939

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 109, 189, 327, 367, 567, 763, 981, 1101, 2289, 2569, 2943, 3303, 6867, 7707, 8829, 9909, 20601, 23121, 29727, 40003, 61803, 69363, 120009, 208089, 280021, 360027, 840063, 1080081, 2520189, 3240243, 7560567, 22681701]

約数ペア:

[(1, 22681701), (3, 7560567), (7, 3240243), (9, 2520189), (21, 1080081), (27, 840063), (63, 360027), (81, 280021), (109, 208089), (189, 120009), (327, 69363), (367, 61803), (567, 40003), (763, 29727), (981, 23121), (1101, 20601), (2289, 9909), (2569, 8829), (2943, 7707), (3303, 6867)]