809818009

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{983}}^1$

素因数の和:1837

約数の個数: 32

約数和(自身を含む): 1089736704

約数和(自身を除く): 279918695

約数列:

[1, 7, 11, 13, 77, 91, 143, 823, 983, 1001, 5761, 6881, 9053, 10699, 10813, 12779, 63371, 74893, 75691, 89453, 117689, 140569, 809009, 823823, 983983, 5663063, 8899099, 10517117, 62293693, 73619819, 115688287, 809818009]

約数ペア:

[(1, 809818009), (7, 115688287), (11, 73619819), (13, 62293693), (77, 10517117), (91, 8899099), (143, 5663063), (823, 983983), (983, 823823), (1001, 809009), (5761, 140569), (6881, 117689), (9053, 89453), (10699, 75691), (10813, 74893), (12779, 63371)]