215681037

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{2003}}^1$

素因数の和:2281

約数の個数: 32

約数和(自身を含む): 339365376

約数和(自身を除く): 123684339

約数列:

[1, 3, 11, 13, 33, 39, 143, 251, 429, 753, 2003, 2761, 3263, 6009, 8283, 9789, 22033, 26039, 35893, 66099, 78117, 107679, 286429, 502753, 859287, 1508259, 5530283, 6535789, 16590849, 19607367, 71893679, 215681037]

約数ペア:

[(1, 215681037), (3, 71893679), (11, 19607367), (13, 16590849), (33, 6535789), (39, 5530283), (143, 1508259), (251, 859287), (429, 502753), (753, 286429), (2003, 107679), (2761, 78117), (3263, 66099), (6009, 35893), (8283, 26039), (9789, 22033)]