209600079

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{145253}}^1$

素因数の和:145306

約数の個数: 16

約数和(自身を含む): 309100512

約数和(自身を除く): 99500433

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 145253, 435759, 1888289, 5374361, 5664867, 16123083, 69866693, 209600079]

約数ペア:

[(1, 209600079), (3, 69866693), (13, 16123083), (37, 5664867), (39, 5374361), (111, 1888289), (481, 435759), (1443, 145253)]