1861209

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{953}}^1$

素因数の和:997

約数の個数: 24

約数和(自身を含む): 3174912

約数和(自身を除く): 1313703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 953, 1953, 2859, 6671, 8577, 20013, 29543, 60039, 88629, 206801, 265887, 620403, 1861209]

約数ペア:

[(1, 1861209), (3, 620403), (7, 265887), (9, 206801), (21, 88629), (31, 60039), (63, 29543), (93, 20013), (217, 8577), (279, 6671), (651, 2859), (953, 1953)]