938385

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{331}}^1$

素因数の和:355

約数の個数: 40

約数和(自身を含む): 1928256

約数和(自身を除く): 989871

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 331, 405, 567, 945, 993, 1655, 2317, 2835, 2979, 4965, 6951, 8937, 11585, 14895, 20853, 26811, 34755, 44685, 62559, 104265, 134055, 187677, 312795, 938385]

約数ペア:

[(1, 938385), (3, 312795), (5, 187677), (7, 134055), (9, 104265), (15, 62559), (21, 44685), (27, 34755), (35, 26811), (45, 20853), (63, 14895), (81, 11585), (105, 8937), (135, 6951), (189, 4965), (315, 2979), (331, 2835), (405, 2317), (567, 1655), (945, 993)]