2087739

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 3291600

約数和(自身を除く): 1203861

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 421, 551, 1263, 1653, 3789, 4959, 7999, 12209, 23997, 36627, 71991, 109881, 231971, 695913, 2087739]

約数ペア:

[(1, 2087739), (3, 695913), (9, 231971), (19, 109881), (29, 71991), (57, 36627), (87, 23997), (171, 12209), (261, 7999), (421, 4959), (551, 3789), (1263, 1653)]