25921215

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2207}}^1$

素因数の和:2253

約数の個数: 40

約数和(自身を含む): 48090240

約数和(自身を除く): 22169025

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 2207, 2349, 3915, 6621, 11035, 11745, 19863, 33105, 59589, 64003, 99315, 178767, 192009, 297945, 320015, 576027, 893835, 960045, 1728081, 2880135, 5184243, 8640405, 25921215]

約数ペア:

[(1, 25921215), (3, 8640405), (5, 5184243), (9, 2880135), (15, 1728081), (27, 960045), (29, 893835), (45, 576027), (81, 320015), (87, 297945), (135, 192009), (145, 178767), (261, 99315), (405, 64003), (435, 59589), (783, 33105), (1305, 19863), (2207, 11745), (2349, 11035), (3915, 6621)]