80690175

素因数分解:

$3^4\times 5^2\times {\mathrm{39847}}^1$

素因数の和:39869

約数の個数: 30

約数和(自身を含む): 149469848

約数和(自身を除く): 68779673

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 39847, 119541, 199235, 358623, 597705, 996175, 1075869, 1793115, 2988525, 3227607, 5379345, 8965575, 16138035, 26896725, 80690175]

約数ペア:

[(1, 80690175), (3, 26896725), (5, 16138035), (9, 8965575), (15, 5379345), (25, 3227607), (27, 2988525), (45, 1793115), (75, 1075869), (81, 996175), (135, 597705), (225, 358623), (405, 199235), (675, 119541), (2025, 39847)]