66149379

素因数分解:

$3^4\times {\mathrm{457}}^1\times {\mathrm{1787}}^1$

素因数の和:2256

約数の個数: 20

約数和(自身を含む): 99087384

約数和(自身を除く): 32938005

約数列:

[1, 3, 9, 27, 81, 457, 1371, 1787, 4113, 5361, 12339, 16083, 37017, 48249, 144747, 816659, 2449977, 7349931, 22049793, 66149379]

約数ペア:

[(1, 66149379), (3, 22049793), (9, 7349931), (27, 2449977), (81, 816659), (457, 144747), (1371, 48249), (1787, 37017), (4113, 16083), (5361, 12339)]