215565903

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{117989}}^1$

素因数の和:118031

約数の個数: 24

約数和(自身を含む): 368128800

約数和(自身を除く): 152562897

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 117989, 353967, 825923, 1061901, 2477769, 3421681, 7433307, 10265043, 23951767, 30795129, 71855301, 215565903]

約数ペア:

[(1, 215565903), (3, 71855301), (7, 30795129), (9, 23951767), (21, 10265043), (29, 7433307), (63, 3421681), (87, 2477769), (203, 1061901), (261, 825923), (609, 353967), (1827, 117989)]