17991687

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{953}}^1$

素因数の和:1023

約数の個数: 32

約数和(自身を含む): 29306880

約数和(自身を除く): 11315193

約数列:

[1, 3, 7, 21, 29, 31, 87, 93, 203, 217, 609, 651, 899, 953, 2697, 2859, 6293, 6671, 18879, 20013, 27637, 29543, 82911, 88629, 193459, 206801, 580377, 620403, 856747, 2570241, 5997229, 17991687]

約数ペア:

[(1, 17991687), (3, 5997229), (7, 2570241), (21, 856747), (29, 620403), (31, 580377), (87, 206801), (93, 193459), (203, 88629), (217, 82911), (609, 29543), (651, 27637), (899, 20013), (953, 18879), (2697, 6671), (2859, 6293)]