12854907

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 22171968

約数和(自身を除く): 9317061

約数列:

[1, 3, 9, 13, 17, 23, 39, 51, 69, 117, 153, 207, 221, 281, 299, 391, 663, 843, 897, 1173, 1989, 2529, 2691, 3519, 3653, 4777, 5083, 6463, 10959, 14331, 15249, 19389, 32877, 42993, 45747, 58167, 62101, 84019, 109871, 186303, 252057, 329613, 558909, 756171, 988839, 1428323, 4284969, 12854907]

約数ペア:

[(1, 12854907), (3, 4284969), (9, 1428323), (13, 988839), (17, 756171), (23, 558909), (39, 329613), (51, 252057), (69, 186303), (117, 109871), (153, 84019), (207, 62101), (221, 58167), (281, 45747), (299, 42993), (391, 32877), (663, 19389), (843, 15249), (897, 14331), (1173, 10959), (1989, 6463), (2529, 5083), (2691, 4777), (3519, 3653)]