212172015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1285891}}^1$

素因数の和:1285910

約数の個数: 16

約数和(自身を含む): 370336896

約数和(自身を除く): 158164881

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 1285891, 3857673, 6429455, 14144801, 19288365, 42434403, 70724005, 212172015]

約数ペア:

[(1, 212172015), (3, 70724005), (5, 42434403), (11, 19288365), (15, 14144801), (33, 6429455), (55, 3857673), (165, 1285891)]