320202477

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15263}}^1$

素因数の和:15319

約数の個数: 40

約数和(自身を含む): 561470976

約数和(自身を除く): 241268499

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 567, 777, 999, 2331, 2997, 6993, 15263, 20979, 45789, 106841, 137367, 320523, 412101, 564731, 961569, 1236303, 1694193, 2884707, 3953117, 5082579, 8654121, 11859351, 15247737, 35578053, 45743211, 106734159, 320202477]

約数ペア:

[(1, 320202477), (3, 106734159), (7, 45743211), (9, 35578053), (21, 15247737), (27, 11859351), (37, 8654121), (63, 5082579), (81, 3953117), (111, 2884707), (189, 1694193), (259, 1236303), (333, 961569), (567, 564731), (777, 412101), (999, 320523), (2331, 137367), (2997, 106841), (6993, 45789), (15263, 20979)]