168406959

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{631}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 262103040

約数和(自身を除く): 93696081

約数列:

[1, 3, 7, 21, 71, 179, 213, 497, 537, 631, 1253, 1491, 1893, 3759, 4417, 12709, 13251, 38127, 44801, 88963, 112949, 134403, 266889, 313607, 338847, 790643, 940821, 2371929, 8019379, 24058137, 56135653, 168406959]

約数ペア:

[(1, 168406959), (3, 56135653), (7, 24058137), (21, 8019379), (71, 2371929), (179, 940821), (213, 790643), (497, 338847), (537, 313607), (631, 266889), (1253, 134403), (1491, 112949), (1893, 88963), (3759, 44801), (4417, 38127), (12709, 13251)]