81512013

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{431}}^1\times {\mathrm{521}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 119968128

約数和(自身を除く): 38456115

約数列:

[1, 3, 11, 33, 121, 363, 431, 521, 1293, 1563, 4741, 5731, 14223, 17193, 52151, 63041, 156453, 189123, 224551, 673653, 2470061, 7410183, 27170671, 81512013]

約数ペア:

[(1, 81512013), (3, 27170671), (11, 7410183), (33, 2470061), (121, 673653), (363, 224551), (431, 189123), (521, 156453), (1293, 63041), (1563, 52151), (4741, 17193), (5731, 14223)]