1861137

素因数分解:

$3^7\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 32

約数和(自身を含む): 2991360

約数和(自身を除く): 1130223

約数列:

[1, 3, 9, 23, 27, 37, 69, 81, 111, 207, 243, 333, 621, 729, 851, 999, 1863, 2187, 2553, 2997, 5589, 7659, 8991, 16767, 22977, 26973, 50301, 68931, 80919, 206793, 620379, 1861137]

約数ペア:

[(1, 1861137), (3, 620379), (9, 206793), (23, 80919), (27, 68931), (37, 50301), (69, 26973), (81, 22977), (111, 16767), (207, 8991), (243, 7659), (333, 5589), (621, 2997), (729, 2553), (851, 2187), (999, 1863)]