201321477

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{28789}}^1$

素因数の和:28842

約数の個数: 32

約数和(自身を含む): 350086400

約数和(自身を除く): 148764923

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 6993, 28789, 86367, 201523, 259101, 604569, 777303, 1065193, 1813707, 3195579, 5441121, 7456351, 9586737, 22369053, 28760211, 67107159, 201321477]

約数ペア:

[(1, 201321477), (3, 67107159), (7, 28760211), (9, 22369053), (21, 9586737), (27, 7456351), (37, 5441121), (63, 3195579), (111, 1813707), (189, 1065193), (259, 777303), (333, 604569), (777, 259101), (999, 201523), (2331, 86367), (6993, 28789)]