28150419

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 46085760

約数和(自身を除く): 17935341

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 139, 187, 209, 323, 361, 417, 561, 627, 969, 1083, 1529, 2363, 2641, 3553, 3971, 4587, 6137, 7089, 7923, 10659, 11913, 18411, 25993, 29051, 44897, 50179, 67507, 77979, 87153, 134691, 150537, 202521, 493867, 551969, 853043, 1481601, 1655907, 2559129, 9383473, 28150419]

約数ペア:

[(1, 28150419), (3, 9383473), (11, 2559129), (17, 1655907), (19, 1481601), (33, 853043), (51, 551969), (57, 493867), (139, 202521), (187, 150537), (209, 134691), (323, 87153), (361, 77979), (417, 67507), (561, 50179), (627, 44897), (969, 29051), (1083, 25993), (1529, 18411), (2363, 11913), (2641, 10659), (3553, 7923), (3971, 7089), (4587, 6137)]