822213

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 1404416

約数和(自身を除く): 582203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 421, 651, 1263, 1953, 2947, 3789, 8841, 13051, 26523, 39153, 91357, 117459, 274071, 822213]

約数ペア:

[(1, 822213), (3, 274071), (7, 117459), (9, 91357), (21, 39153), (31, 26523), (63, 13051), (93, 8841), (217, 3789), (279, 2947), (421, 1953), (651, 1263)]