12515553

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:239

約数の個数: 40

約数和(自身を含む): 20255400

約数和(自身を除く): 7739847

約数列:

[1, 3, 9, 17, 27, 51, 61, 81, 149, 153, 183, 447, 459, 549, 1037, 1341, 1377, 1647, 2533, 3111, 4023, 4941, 7599, 9089, 9333, 12069, 22797, 27267, 27999, 68391, 81801, 83997, 154513, 205173, 245403, 463539, 736209, 1390617, 4171851, 12515553]

約数ペア:

[(1, 12515553), (3, 4171851), (9, 1390617), (17, 736209), (27, 463539), (51, 245403), (61, 205173), (81, 154513), (149, 83997), (153, 81801), (183, 68391), (447, 27999), (459, 27267), (549, 22797), (1037, 12069), (1341, 9333), (1377, 9089), (1647, 7599), (2533, 4941), (3111, 4023)]