31111101

素因数分解:

$3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1697}}^1$

素因数の和:1810

約数の個数: 32

約数和(自身を含む): 53249280

約数和(自身を除く): 22138179

約数列:

[1, 3, 7, 9, 21, 27, 63, 97, 189, 291, 679, 873, 1697, 2037, 2619, 5091, 6111, 11879, 15273, 18333, 35637, 45819, 106911, 164609, 320733, 493827, 1152263, 1481481, 3456789, 4444443, 10370367, 31111101]

約数ペア:

[(1, 31111101), (3, 10370367), (7, 4444443), (9, 3456789), (21, 1481481), (27, 1152263), (63, 493827), (97, 320733), (189, 164609), (291, 106911), (679, 45819), (873, 35637), (1697, 18333), (2037, 15273), (2619, 11879), (5091, 6111)]