438974739

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{33023}}^1$

素因数の和:33247

約数の個数: 24

約数和(自身を含む): 728113152

約数和(自身を除く): 289138413

約数列:

[1, 3, 7, 9, 21, 63, 211, 633, 1477, 1899, 4431, 13293, 33023, 99069, 231161, 297207, 693483, 2080449, 6967853, 20903559, 48774971, 62710677, 146324913, 438974739]

約数ペア:

[(1, 438974739), (3, 146324913), (7, 62710677), (9, 48774971), (21, 20903559), (63, 6967853), (211, 2080449), (633, 693483), (1477, 297207), (1899, 231161), (4431, 99069), (13293, 33023)]