22180221

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 38857728

約数和(自身を除く): 16677507

約数列:

[1, 3, 7, 9, 21, 31, 41, 63, 93, 123, 217, 277, 279, 287, 369, 651, 831, 861, 1271, 1939, 1953, 2493, 2583, 3813, 5817, 8587, 8897, 11357, 11439, 17451, 25761, 26691, 34071, 60109, 77283, 79499, 80073, 102213, 180327, 238497, 352067, 540981, 715491, 1056201, 2464469, 3168603, 7393407, 22180221]

約数ペア:

[(1, 22180221), (3, 7393407), (7, 3168603), (9, 2464469), (21, 1056201), (31, 715491), (41, 540981), (63, 352067), (93, 238497), (123, 180327), (217, 102213), (277, 80073), (279, 79499), (287, 77283), (369, 60109), (651, 34071), (831, 26691), (861, 25761), (1271, 17451), (1939, 11439), (1953, 11357), (2493, 8897), (2583, 8587), (3813, 5817)]