25123365

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 80

約数和(自身を含む): 49397040

約数和(自身を除く): 24273675

約数列:

[1, 3, 5, 9, 15, 17, 27, 41, 45, 51, 81, 85, 89, 123, 135, 153, 205, 255, 267, 369, 405, 445, 459, 615, 697, 765, 801, 1107, 1335, 1377, 1513, 1845, 2091, 2295, 2403, 3321, 3485, 3649, 4005, 4539, 5535, 6273, 6885, 7209, 7565, 10455, 10947, 12015, 13617, 16605, 18245, 18819, 22695, 31365, 32841, 36045, 40851, 54735, 56457, 62033, 68085, 94095, 98523, 122553, 164205, 186099, 204255, 282285, 295569, 310165, 492615, 558297, 612765, 930495, 1477845, 1674891, 2791485, 5024673, 8374455, 25123365]

約数ペア:

[(1, 25123365), (3, 8374455), (5, 5024673), (9, 2791485), (15, 1674891), (17, 1477845), (27, 930495), (41, 612765), (45, 558297), (51, 492615), (81, 310165), (85, 295569), (89, 282285), (123, 204255), (135, 186099), (153, 164205), (205, 122553), (255, 98523), (267, 94095), (369, 68085), (405, 62033), (445, 56457), (459, 54735), (615, 40851), (697, 36045), (765, 32841), (801, 31365), (1107, 22695), (1335, 18819), (1377, 18245), (1513, 16605), (1845, 13617), (2091, 12015), (2295, 10947), (2403, 10455), (3321, 7565), (3485, 7209), (3649, 6885), (4005, 6273), (4539, 5535)]