31719921

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{1973}}^1$

素因数の和:2232

約数の個数: 16

約数和(自身を含む): 44343936

約数和(自身を除く): 12624015

約数列:

[1, 3, 23, 69, 233, 699, 1973, 5359, 5919, 16077, 45379, 136137, 459709, 1379127, 10573307, 31719921]

約数ペア:

[(1, 31719921), (3, 10573307), (23, 1379127), (69, 459709), (233, 136137), (699, 45379), (1973, 16077), (5359, 5919)]