213393609

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 112

約数和(自身を含む): 396627840

約数和(自身を除く): 183234231

約数列:

[1, 3, 9, 11, 13, 23, 27, 33, 39, 69, 81, 89, 99, 117, 143, 207, 243, 253, 267, 297, 299, 351, 429, 621, 729, 759, 801, 891, 897, 979, 1053, 1157, 1287, 1863, 2047, 2277, 2403, 2673, 2691, 2937, 3159, 3289, 3471, 3861, 5589, 6141, 6831, 7209, 8019, 8073, 8811, 9477, 9867, 10413, 11583, 12727, 16767, 18423, 20493, 21627, 22517, 24219, 26433, 26611, 29601, 31239, 34749, 38181, 55269, 61479, 64881, 67551, 72657, 79299, 79833, 88803, 93717, 104247, 114543, 165807, 184437, 202653, 217971, 237897, 239499, 266409, 281151, 292721, 343629, 497421, 607959, 713691, 718497, 799227, 843453, 878163, 1030887, 1492263, 1823877, 2155491, 2397681, 2634489, 3092661, 5471631, 6466473, 7903467, 9277983, 16414893, 19399419, 23710401, 71131203, 213393609]

約数ペア:

[(1, 213393609), (3, 71131203), (9, 23710401), (11, 19399419), (13, 16414893), (23, 9277983), (27, 7903467), (33, 6466473), (39, 5471631), (69, 3092661), (81, 2634489), (89, 2397681), (99, 2155491), (117, 1823877), (143, 1492263), (207, 1030887), (243, 878163), (253, 843453), (267, 799227), (297, 718497), (299, 713691), (351, 607959), (429, 497421), (621, 343629), (729, 292721), (759, 281151), (801, 266409), (891, 239499), (897, 237897), (979, 217971), (1053, 202653), (1157, 184437), (1287, 165807), (1863, 114543), (2047, 104247), (2277, 93717), (2403, 88803), (2673, 79833), (2691, 79299), (2937, 72657), (3159, 67551), (3289, 64881), (3471, 61479), (3861, 55269), (5589, 38181), (6141, 34749), (6831, 31239), (7209, 29601), (8019, 26611), (8073, 26433), (8811, 24219), (9477, 22517), (9867, 21627), (10413, 20493), (11583, 18423), (12727, 16767)]