2355639

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:80

約数の個数: 48

約数和(自身を含む): 4126080

約数和(自身を除く): 1770441

約数列:

[1, 3, 11, 13, 17, 19, 33, 39, 51, 57, 143, 187, 209, 221, 247, 289, 323, 429, 561, 627, 663, 741, 867, 969, 2431, 2717, 3179, 3553, 3757, 4199, 5491, 7293, 8151, 9537, 10659, 11271, 12597, 16473, 41327, 46189, 60401, 71383, 123981, 138567, 181203, 214149, 785213, 2355639]

約数ペア:

[(1, 2355639), (3, 785213), (11, 214149), (13, 181203), (17, 138567), (19, 123981), (33, 71383), (39, 60401), (51, 46189), (57, 41327), (143, 16473), (187, 12597), (209, 11271), (221, 10659), (247, 9537), (289, 8151), (323, 7293), (429, 5491), (561, 4199), (627, 3757), (663, 3553), (741, 3179), (867, 2717), (969, 2431)]