217975023

素因数分解:

$3^3\times 7^1\times {\mathrm{1061}}^1\times {\mathrm{1087}}^1$

素因数の和:2164

約数の個数: 32

約数和(自身を含む): 369745920

約数和(自身を除く): 151770897

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1061, 1087, 3183, 3261, 7427, 7609, 9549, 9783, 22281, 22827, 28647, 29349, 66843, 68481, 200529, 205443, 1153307, 3459921, 8073149, 10379763, 24219447, 31139289, 72658341, 217975023]

約数ペア:

[(1, 217975023), (3, 72658341), (7, 31139289), (9, 24219447), (21, 10379763), (27, 8073149), (63, 3459921), (189, 1153307), (1061, 205443), (1087, 200529), (3183, 68481), (3261, 66843), (7427, 29349), (7609, 28647), (9549, 22827), (9783, 22281)]