2007640905

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{157277}}^1$

素因数の和:157345

約数の個数: 32

約数和(自身を含む): 3442500864

約数和(自身を除く): 1434859959

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 2553, 4255, 12765, 157277, 471831, 786385, 2359155, 3617371, 5819249, 10852113, 17457747, 18086855, 29096245, 54260565, 87288735, 133842727, 401528181, 669213635, 2007640905]

約数ペア:

[(1, 2007640905), (3, 669213635), (5, 401528181), (15, 133842727), (23, 87288735), (37, 54260565), (69, 29096245), (111, 18086855), (115, 17457747), (185, 10852113), (345, 5819249), (555, 3617371), (851, 2359155), (2553, 786385), (4255, 471831), (12765, 157277)]