20131560771

素因数分解:

$3^1\times 7^3\times {\mathrm{1657}}^1\times {\mathrm{11807}}^1$

素因数の和:13488

約数の個数: 32

約数和(自身を含む): 31324262400

約数和(自身を除く): 11192701629

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1657, 4971, 11599, 11807, 34797, 35421, 81193, 82649, 243579, 247947, 568351, 578543, 1705053, 1735629, 4049801, 12149403, 19564199, 58692597, 136949393, 410848179, 958645751, 2875937253, 6710520257, 20131560771]

約数ペア:

[(1, 20131560771), (3, 6710520257), (7, 2875937253), (21, 958645751), (49, 410848179), (147, 136949393), (343, 58692597), (1029, 19564199), (1657, 12149403), (4971, 4049801), (11599, 1735629), (11807, 1705053), (34797, 578543), (35421, 568351), (81193, 247947), (82649, 243579)]