201420723

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 322672896

約数和(自身を除く): 121252173

約数列:

[1, 3, 7, 21, 49, 53, 103, 147, 159, 251, 309, 371, 721, 753, 1113, 1757, 2163, 2597, 5047, 5271, 5459, 7791, 12299, 13303, 15141, 16377, 25853, 36897, 38213, 39909, 77559, 93121, 114639, 180971, 267491, 279363, 542913, 651847, 802473, 1266797, 1370209, 1955541, 3800391, 4110627, 9591463, 28774389, 67140241, 201420723]

約数ペア:

[(1, 201420723), (3, 67140241), (7, 28774389), (21, 9591463), (49, 4110627), (53, 3800391), (103, 1955541), (147, 1370209), (159, 1266797), (251, 802473), (309, 651847), (371, 542913), (721, 279363), (753, 267491), (1113, 180971), (1757, 114639), (2163, 93121), (2597, 77559), (5047, 39909), (5271, 38213), (5459, 36897), (7791, 25853), (12299, 16377), (13303, 15141)]