16978797

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 28304640

約数和(自身を除く): 11325843

約数列:

[1, 3, 9, 11, 33, 41, 47, 89, 99, 123, 141, 267, 369, 423, 451, 517, 801, 979, 1353, 1551, 1927, 2937, 3649, 4059, 4183, 4653, 5781, 8811, 10947, 12549, 17343, 21197, 32841, 37647, 40139, 46013, 63591, 120417, 138039, 171503, 190773, 361251, 414117, 514509, 1543527, 1886533, 5659599, 16978797]

約数ペア:

[(1, 16978797), (3, 5659599), (9, 1886533), (11, 1543527), (33, 514509), (41, 414117), (47, 361251), (89, 190773), (99, 171503), (123, 138039), (141, 120417), (267, 63591), (369, 46013), (423, 40139), (451, 37647), (517, 32841), (801, 21197), (979, 17343), (1353, 12549), (1551, 10947), (1927, 8811), (2937, 5781), (3649, 4653), (4059, 4183)]