19779417

素因数分解:

$3^3\times 7^1\times {\mathrm{229}}^1\times {\mathrm{457}}^1$

素因数の和:702

約数の個数: 32

約数和(自身を含む): 33708800

約数和(自身を除く): 13929383

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 229, 457, 687, 1371, 1603, 2061, 3199, 4113, 4809, 6183, 9597, 12339, 14427, 28791, 43281, 86373, 104653, 313959, 732571, 941877, 2197713, 2825631, 6593139, 19779417]

約数ペア:

[(1, 19779417), (3, 6593139), (7, 2825631), (9, 2197713), (21, 941877), (27, 732571), (63, 313959), (189, 104653), (229, 86373), (457, 43281), (687, 28791), (1371, 14427), (1603, 12339), (2061, 9597), (3199, 6183), (4113, 4809)]