4215321

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 7338240

約数和(自身を除く): 3122919

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 83, 99, 171, 209, 243, 249, 297, 513, 627, 747, 891, 913, 1539, 1577, 1881, 2241, 2673, 2739, 4617, 4731, 5643, 6723, 8217, 14193, 16929, 17347, 20169, 24651, 42579, 50787, 52041, 73953, 127737, 156123, 221859, 383211, 468369, 1405107, 4215321]

約数ペア:

[(1, 4215321), (3, 1405107), (9, 468369), (11, 383211), (19, 221859), (27, 156123), (33, 127737), (57, 73953), (81, 52041), (83, 50787), (99, 42579), (171, 24651), (209, 20169), (243, 17347), (249, 16929), (297, 14193), (513, 8217), (627, 6723), (747, 5643), (891, 4731), (913, 4617), (1539, 2739), (1577, 2673), (1881, 2241)]