81245697

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^2\times {\mathrm{263}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 118434624

約数和(自身を除く): 37188927

約数列:

[1, 3, 13, 39, 89, 263, 267, 789, 1157, 3419, 3471, 7921, 10257, 23407, 23763, 70221, 102973, 304291, 308919, 912873, 2083223, 6249669, 27081899, 81245697]

約数ペア:

[(1, 81245697), (3, 27081899), (13, 6249669), (39, 2083223), (89, 912873), (263, 308919), (267, 304291), (789, 102973), (1157, 70221), (3419, 23763), (3471, 23407), (7921, 10257)]