200907495

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 354717792

約数和(自身を除く): 153810297

約数列:

[1, 3, 5, 9, 15, 45, 131, 173, 197, 393, 519, 591, 655, 865, 985, 1179, 1557, 1773, 1965, 2595, 2955, 5895, 7785, 8865, 22663, 25807, 34081, 67989, 77421, 102243, 113315, 129035, 170405, 203967, 232263, 306729, 339945, 387105, 511215, 1019835, 1161315, 1533645, 4464611, 13393833, 22323055, 40181499, 66969165, 200907495]

約数ペア:

[(1, 200907495), (3, 66969165), (5, 40181499), (9, 22323055), (15, 13393833), (45, 4464611), (131, 1533645), (173, 1161315), (197, 1019835), (393, 511215), (519, 387105), (591, 339945), (655, 306729), (865, 232263), (985, 203967), (1179, 170405), (1557, 129035), (1773, 113315), (1965, 102243), (2595, 77421), (2955, 67989), (5895, 34081), (7785, 25807), (8865, 22663)]