30987411

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{509}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 51179520

約数和(自身を除く): 20192109

約数列:

[1, 3, 7, 13, 21, 39, 91, 223, 273, 509, 669, 1527, 1561, 2899, 3563, 4683, 6617, 8697, 10689, 19851, 20293, 46319, 60879, 113507, 138957, 340521, 794549, 1475591, 2383647, 4426773, 10329137, 30987411]

約数ペア:

[(1, 30987411), (3, 10329137), (7, 4426773), (13, 2383647), (21, 1475591), (39, 794549), (91, 340521), (223, 138957), (273, 113507), (509, 60879), (669, 46319), (1527, 20293), (1561, 19851), (2899, 10689), (3563, 8697), (4683, 6617)]