2231721

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 3511040

約数和(自身を除く): 1279319

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 421, 589, 1263, 1767, 3789, 5301, 7999, 13051, 23997, 39153, 71991, 117459, 247969, 743907, 2231721]

約数ペア:

[(1, 2231721), (3, 743907), (9, 247969), (19, 117459), (31, 71991), (57, 39153), (93, 23997), (171, 13051), (279, 7999), (421, 5301), (589, 3789), (1263, 1767)]