213231

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:170

約数の個数: 16

約数和(自身を含む): 311904

約数和(自身を除く): 98673

約数列:

[1, 3, 17, 37, 51, 111, 113, 339, 629, 1887, 1921, 4181, 5763, 12543, 71077, 213231]

約数ペア:

[(1, 213231), (3, 71077), (17, 12543), (37, 5763), (51, 4181), (111, 1921), (113, 1887), (339, 629)]