220713795

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{23027}}^1$

素因数の和:23112

約数の個数: 32

約数和(自身を含む): 397923840

約数和(自身を除く): 177210045

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 3195, 9585, 23027, 69081, 115135, 207243, 345405, 621729, 1036215, 1634917, 3108645, 4904751, 8174585, 14714253, 24523755, 44142759, 73571265, 220713795]

約数ペア:

[(1, 220713795), (3, 73571265), (5, 44142759), (9, 24523755), (15, 14714253), (27, 8174585), (45, 4904751), (71, 3108645), (135, 1634917), (213, 1036215), (355, 621729), (639, 345405), (1065, 207243), (1917, 115135), (3195, 69081), (9585, 23027)]