54987777

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1787}}^1$

素因数の和:2069

約数の個数: 24

約数和(自身を含む): 85909824

約数和(自身を除く): 30922047

約数列:

[1, 3, 9, 13, 39, 117, 263, 789, 1787, 2367, 3419, 5361, 10257, 16083, 23231, 30771, 69693, 209079, 469981, 1409943, 4229829, 6109753, 18329259, 54987777]

約数ペア:

[(1, 54987777), (3, 18329259), (9, 6109753), (13, 4229829), (39, 1409943), (117, 469981), (263, 209079), (789, 69693), (1787, 30771), (2367, 23231), (3419, 16083), (5361, 10257)]