157581039

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 273162240

約数和(自身を除く): 115581201

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 103, 111, 179, 231, 259, 309, 407, 537, 721, 777, 1133, 1221, 1253, 1969, 2163, 2849, 3399, 3759, 3811, 5907, 6623, 7931, 8547, 11433, 13783, 18437, 19869, 23793, 26677, 41349, 41921, 46361, 55311, 72853, 80031, 125763, 129059, 139083, 202807, 218559, 293447, 387177, 509971, 608421, 682169, 880341, 1419649, 1529913, 2046507, 4258947, 4775183, 7503859, 14325549, 22511577, 52527013, 157581039]

約数ペア:

[(1, 157581039), (3, 52527013), (7, 22511577), (11, 14325549), (21, 7503859), (33, 4775183), (37, 4258947), (77, 2046507), (103, 1529913), (111, 1419649), (179, 880341), (231, 682169), (259, 608421), (309, 509971), (407, 387177), (537, 293447), (721, 218559), (777, 202807), (1133, 139083), (1221, 129059), (1253, 125763), (1969, 80031), (2163, 72853), (2849, 55311), (3399, 46361), (3759, 41921), (3811, 41349), (5907, 26677), (6623, 23793), (7931, 19869), (8547, 18437), (11433, 13783)]