406215

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:93

約数の個数: 40

約数和(自身を含む): 784080

約数和(自身を除く): 377865

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 59, 81, 85, 135, 153, 177, 255, 295, 405, 459, 531, 765, 885, 1003, 1377, 1593, 2295, 2655, 3009, 4779, 5015, 6885, 7965, 9027, 15045, 23895, 27081, 45135, 81243, 135405, 406215]

約数ペア:

[(1, 406215), (3, 135405), (5, 81243), (9, 45135), (15, 27081), (17, 23895), (27, 15045), (45, 9027), (51, 7965), (59, 6885), (81, 5015), (85, 4779), (135, 3009), (153, 2655), (177, 2295), (255, 1593), (295, 1377), (405, 1003), (459, 885), (531, 765)]