12959985

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 21593088

約数和(自身を除く): 8633103

約数列:

[1, 3, 5, 15, 43, 71, 129, 213, 215, 283, 355, 645, 849, 1065, 1415, 3053, 4245, 9159, 12169, 15265, 20093, 36507, 45795, 60279, 60845, 100465, 182535, 301395, 863999, 2591997, 4319995, 12959985]

約数ペア:

[(1, 12959985), (3, 4319995), (5, 2591997), (15, 863999), (43, 301395), (71, 182535), (129, 100465), (213, 60845), (215, 60279), (283, 45795), (355, 36507), (645, 20093), (849, 15265), (1065, 12169), (1415, 9159), (3053, 4245)]