821763

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 1297296

約数和(自身を除く): 475533

約数列:

[1, 3, 9, 17, 41, 51, 123, 131, 153, 369, 393, 697, 1179, 2091, 2227, 5371, 6273, 6681, 16113, 20043, 48339, 91307, 273921, 821763]

約数ペア:

[(1, 821763), (3, 273921), (9, 91307), (17, 48339), (41, 20043), (51, 16113), (123, 6681), (131, 6273), (153, 5371), (369, 2227), (393, 2091), (697, 1179)]