157079307

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{1051}}^1$

素因数の和:1719

約数の個数: 32

約数和(自身を含む): 261771264

約数和(自身を除く): 104691957

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 647, 1051, 1941, 3153, 4529, 7117, 7357, 11561, 13587, 21351, 22071, 34683, 49819, 80927, 149457, 242781, 679997, 2039991, 4759979, 7479967, 14279937, 22439901, 52359769, 157079307]

約数ペア:

[(1, 157079307), (3, 52359769), (7, 22439901), (11, 14279937), (21, 7479967), (33, 4759979), (77, 2039991), (231, 679997), (647, 242781), (1051, 149457), (1941, 80927), (3153, 49819), (4529, 34683), (7117, 22071), (7357, 21351), (11561, 13587)]