207830987

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1693}}^1$

素因数の和:1803

約数の個数: 32

約数和(自身を含む): 273208320

約数和(自身を除く): 65377333

約数列:

[1, 7, 13, 19, 71, 91, 133, 247, 497, 923, 1349, 1693, 1729, 6461, 9443, 11851, 17537, 22009, 32167, 120203, 122759, 154063, 225169, 418171, 841421, 1562639, 2283857, 2927197, 10938473, 15986999, 29690141, 207830987]

約数ペア:

[(1, 207830987), (7, 29690141), (13, 15986999), (19, 10938473), (71, 2927197), (91, 2283857), (133, 1562639), (247, 841421), (497, 418171), (923, 225169), (1349, 154063), (1693, 122759), (1729, 120203), (6461, 32167), (9443, 22009), (11851, 17537)]