21168027

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 12009573

約数列:

[1, 3, 9, 23, 27, 69, 89, 207, 267, 383, 621, 801, 1149, 2047, 2403, 3447, 6141, 8809, 10341, 18423, 26427, 34087, 55269, 79281, 102261, 237843, 306783, 784001, 920349, 2352003, 7056009, 21168027]

約数ペア:

[(1, 21168027), (3, 7056009), (9, 2352003), (23, 920349), (27, 784001), (69, 306783), (89, 237843), (207, 102261), (267, 79281), (383, 55269), (621, 34087), (801, 26427), (1149, 18423), (2047, 10341), (2403, 8809), (3447, 6141)]