81006075

素因数分解:

$3^4\times 5^2\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:498

約数の個数: 60

約数和(自身を含む): 151840480

約数和(自身を除く): 70834405

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 109, 135, 225, 327, 367, 405, 545, 675, 981, 1101, 1635, 1835, 2025, 2725, 2943, 3303, 4905, 5505, 8175, 8829, 9175, 9909, 14715, 16515, 24525, 27525, 29727, 40003, 44145, 49545, 73575, 82575, 120009, 148635, 200015, 220725, 247725, 360027, 600045, 743175, 1000075, 1080081, 1800135, 3000225, 3240243, 5400405, 9000675, 16201215, 27002025, 81006075]

約数ペア:

[(1, 81006075), (3, 27002025), (5, 16201215), (9, 9000675), (15, 5400405), (25, 3240243), (27, 3000225), (45, 1800135), (75, 1080081), (81, 1000075), (109, 743175), (135, 600045), (225, 360027), (327, 247725), (367, 220725), (405, 200015), (545, 148635), (675, 120009), (981, 82575), (1101, 73575), (1635, 49545), (1835, 44145), (2025, 40003), (2725, 29727), (2943, 27525), (3303, 24525), (4905, 16515), (5505, 14715), (8175, 9909), (8829, 9175)]