25778325

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 44568576

約数和(自身を除く): 18790251

約数列:

[1, 3, 5, 15, 25, 47, 71, 75, 103, 141, 213, 235, 309, 355, 515, 705, 1065, 1175, 1545, 1775, 2575, 3337, 3525, 4841, 5325, 7313, 7725, 10011, 14523, 16685, 21939, 24205, 36565, 50055, 72615, 83425, 109695, 121025, 182825, 250275, 343711, 363075, 548475, 1031133, 1718555, 5155665, 8592775, 25778325]

約数ペア:

[(1, 25778325), (3, 8592775), (5, 5155665), (15, 1718555), (25, 1031133), (47, 548475), (71, 363075), (75, 343711), (103, 250275), (141, 182825), (213, 121025), (235, 109695), (309, 83425), (355, 72615), (515, 50055), (705, 36565), (1065, 24205), (1175, 21939), (1545, 16685), (1775, 14523), (2575, 10011), (3337, 7725), (3525, 7313), (4841, 5325)]