780876759

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{17579}}^1$

素因数の和:17679

約数の個数: 32

約数和(自身を含む): 1205003520

約数和(自身を除く): 424126761

約数列:

[1, 3, 13, 17, 39, 51, 67, 201, 221, 663, 871, 1139, 2613, 3417, 14807, 17579, 44421, 52737, 228527, 298843, 685581, 896529, 1177793, 3533379, 3884959, 11654877, 15311309, 20022481, 45933927, 60067443, 260292253, 780876759]

約数ペア:

[(1, 780876759), (3, 260292253), (13, 60067443), (17, 45933927), (39, 20022481), (51, 15311309), (67, 11654877), (201, 3884959), (221, 3533379), (663, 1177793), (871, 896529), (1139, 685581), (2613, 298843), (3417, 228527), (14807, 52737), (17579, 44421)]