2721831

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 4435968

約数和(自身を除く): 1714137

約数列:

[1, 3, 7, 21, 31, 37, 93, 111, 113, 217, 259, 339, 651, 777, 791, 1147, 2373, 3441, 3503, 4181, 8029, 10509, 12543, 24087, 24521, 29267, 73563, 87801, 129611, 388833, 907277, 2721831]

約数ペア:

[(1, 2721831), (3, 907277), (7, 388833), (21, 129611), (31, 87801), (37, 73563), (93, 29267), (111, 24521), (113, 24087), (217, 12543), (259, 10509), (339, 8029), (651, 4181), (777, 3503), (791, 3441), (1147, 2373)]