30721713

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{509}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 47001600

約数和(自身を除く): 16279887

約数列:

[1, 3, 11, 31, 33, 59, 93, 177, 341, 509, 649, 1023, 1527, 1829, 1947, 5487, 5599, 15779, 16797, 20119, 30031, 47337, 60357, 90093, 173569, 330341, 520707, 930961, 991023, 2792883, 10240571, 30721713]

約数ペア:

[(1, 30721713), (3, 10240571), (11, 2792883), (31, 991023), (33, 930961), (59, 520707), (93, 330341), (177, 173569), (341, 90093), (509, 60357), (649, 47337), (1023, 30031), (1527, 20119), (1829, 16797), (1947, 15779), (5487, 5599)]