2791485

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 5307120

約数和(自身を除く): 2515635

約数列:

[1, 3, 5, 9, 15, 17, 41, 45, 51, 85, 89, 123, 153, 205, 255, 267, 369, 445, 615, 697, 765, 801, 1335, 1513, 1845, 2091, 3485, 3649, 4005, 4539, 6273, 7565, 10455, 10947, 13617, 18245, 22695, 31365, 32841, 54735, 62033, 68085, 164205, 186099, 310165, 558297, 930495, 2791485]

約数ペア:

[(1, 2791485), (3, 930495), (5, 558297), (9, 310165), (15, 186099), (17, 164205), (41, 68085), (45, 62033), (51, 54735), (85, 32841), (89, 31365), (123, 22695), (153, 18245), (205, 13617), (255, 10947), (267, 10455), (369, 7565), (445, 6273), (615, 4539), (697, 4005), (765, 3649), (801, 3485), (1335, 2091), (1513, 1845)]