202108221

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{110623}}^1$

素因数の和:110665

約数の個数: 24

約数和(自身を含む): 345146880

約数和(自身を除く): 143038659

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 110623, 331869, 774361, 995607, 2323083, 3208067, 6969249, 9624201, 22456469, 28872603, 67369407, 202108221]

約数ペア:

[(1, 202108221), (3, 67369407), (7, 28872603), (9, 22456469), (21, 9624201), (29, 6969249), (63, 3208067), (87, 2323083), (203, 995607), (261, 774361), (609, 331869), (1827, 110623)]