211244439

素因数分解:

$3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{7079}}^1$

素因数の和:7132

約数の個数: 32

約数和(自身を含む): 339840000

約数和(自身を除く): 128595561

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 343, 609, 1029, 1421, 4263, 7079, 9947, 21237, 29841, 49553, 148659, 205291, 346871, 615873, 1040613, 1437037, 2428097, 4311111, 7284291, 10059259, 30177777, 70414813, 211244439]

約数ペア:

[(1, 211244439), (3, 70414813), (7, 30177777), (21, 10059259), (29, 7284291), (49, 4311111), (87, 2428097), (147, 1437037), (203, 1040613), (343, 615873), (609, 346871), (1029, 205291), (1421, 148659), (4263, 49553), (7079, 29841), (9947, 21237)]