139388403

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1823}}^1$

素因数の和:2175

約数の個数: 32

約数和(自身を含む): 232538112

約数和(自身を除く): 93149709

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 331, 993, 1823, 2317, 3641, 5469, 6951, 10923, 12761, 20053, 25487, 38283, 60159, 76461, 140371, 421113, 603413, 1810239, 4223891, 6637543, 12671673, 19912629, 46462801, 139388403]

約数ペア:

[(1, 139388403), (3, 46462801), (7, 19912629), (11, 12671673), (21, 6637543), (33, 4223891), (77, 1810239), (231, 603413), (331, 421113), (993, 140371), (1823, 76461), (2317, 60159), (3641, 38283), (5469, 25487), (6951, 20053), (10923, 12761)]