42117921

素因数分解:

$3^3\times {\mathrm{211}}^1\times {\mathrm{7393}}^1$

素因数の和:7613

約数の個数: 16

約数和(自身を含む): 62701120

約数和(自身を除く): 20583199

約数列:

[1, 3, 9, 27, 211, 633, 1899, 5697, 7393, 22179, 66537, 199611, 1559923, 4679769, 14039307, 42117921]

約数ペア:

[(1, 42117921), (3, 14039307), (9, 4679769), (27, 1559923), (211, 199611), (633, 66537), (1899, 22179), (5697, 7393)]