39881841

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{4421}}^1$

素因数の和:4552

約数の個数: 16

約数和(自身を含む): 55469568

約数和(自身を除く): 15587727

約数列:

[1, 3, 31, 93, 97, 291, 3007, 4421, 9021, 13263, 137051, 411153, 428837, 1286511, 13293947, 39881841]

約数ペア:

[(1, 39881841), (3, 13293947), (31, 1286511), (93, 428837), (97, 411153), (291, 137051), (3007, 13263), (4421, 9021)]