25898019

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{4297}}^1$

素因数の和:4355

約数の個数: 24

約数和(自身を含む): 41157648

約数和(自身を除く): 15259629

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 4297, 6027, 12891, 30079, 90237, 176177, 210553, 528531, 631659, 1233239, 3699717, 8632673, 25898019]

約数ペア:

[(1, 25898019), (3, 8632673), (7, 3699717), (21, 1233239), (41, 631659), (49, 528531), (123, 210553), (147, 176177), (287, 90237), (861, 30079), (2009, 12891), (4297, 6027)]