25211925

素因数分解:

$3^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:971

約数の個数: 48

約数和(自身を含む): 47496960

約数和(自身を除く): 22285035

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 123, 135, 205, 225, 369, 615, 675, 911, 1025, 1107, 1845, 2733, 3075, 4555, 5535, 8199, 9225, 13665, 22775, 24597, 27675, 37351, 40995, 68325, 112053, 122985, 186755, 204975, 336159, 560265, 614925, 933775, 1008477, 1680795, 2801325, 5042385, 8403975, 25211925]

約数ペア:

[(1, 25211925), (3, 8403975), (5, 5042385), (9, 2801325), (15, 1680795), (25, 1008477), (27, 933775), (41, 614925), (45, 560265), (75, 336159), (123, 204975), (135, 186755), (205, 122985), (225, 112053), (369, 68325), (615, 40995), (675, 37351), (911, 27675), (1025, 24597), (1107, 22775), (1845, 13665), (2733, 9225), (3075, 8199), (4555, 5535)]