222542397

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1151}}^1$

素因数の和:1212

約数の個数: 80

約数和(自身を含む): 428212224

約数和(自身を除く): 205669827

約数列:

[1, 3, 7, 9, 11, 21, 27, 31, 33, 63, 77, 81, 93, 99, 189, 217, 231, 279, 297, 341, 567, 651, 693, 837, 891, 1023, 1151, 1953, 2079, 2387, 2511, 3069, 3453, 5859, 6237, 7161, 8057, 9207, 10359, 12661, 17577, 21483, 24171, 27621, 31077, 35681, 37983, 64449, 72513, 88627, 93231, 107043, 113949, 193347, 217539, 249767, 265881, 321129, 341847, 392491, 652617, 749301, 797643, 963387, 1025541, 1177473, 2247903, 2392929, 2747437, 2890161, 3532419, 6743709, 7178787, 8242311, 10597257, 20231127, 24726933, 31791771, 74180799, 222542397]

約数ペア:

[(1, 222542397), (3, 74180799), (7, 31791771), (9, 24726933), (11, 20231127), (21, 10597257), (27, 8242311), (31, 7178787), (33, 6743709), (63, 3532419), (77, 2890161), (81, 2747437), (93, 2392929), (99, 2247903), (189, 1177473), (217, 1025541), (231, 963387), (279, 797643), (297, 749301), (341, 652617), (567, 392491), (651, 341847), (693, 321129), (837, 265881), (891, 249767), (1023, 217539), (1151, 193347), (1953, 113949), (2079, 107043), (2387, 93231), (2511, 88627), (3069, 72513), (3453, 64449), (5859, 37983), (6237, 35681), (7161, 31077), (8057, 27621), (9207, 24171), (10359, 21483), (12661, 17577)]