1279896639

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{29429}}^1$

素因数の和:29567

約数の個数: 32

約数和(自身を含む): 2071872000

約数和(自身を除く): 791975361

約数列:

[1, 3, 7, 19, 21, 57, 109, 133, 327, 399, 763, 2071, 2289, 6213, 14497, 29429, 43491, 88287, 206003, 559151, 618009, 1677453, 3207761, 3914057, 9623283, 11742171, 22454327, 60947459, 67362981, 182842377, 426632213, 1279896639]

約数ペア:

[(1, 1279896639), (3, 426632213), (7, 182842377), (19, 67362981), (21, 60947459), (57, 22454327), (109, 11742171), (133, 9623283), (327, 3914057), (399, 3207761), (763, 1677453), (2071, 618009), (2289, 559151), (6213, 206003), (14497, 88287), (29429, 43491)]