12781890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12911}}^1$

素因数の和:12935

約数の個数: 48

約数和(自身を含む): 36256896

約数和(自身を除く): 23475006

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 12911, 25822, 38733, 64555, 77466, 116199, 129110, 142021, 193665, 232398, 284042, 387330, 426063, 580995, 710105, 852126, 1161990, 1278189, 1420210, 2130315, 2556378, 4260630, 6390945, 12781890]

約数ペア:

[(1, 12781890), (2, 6390945), (3, 4260630), (5, 2556378), (6, 2130315), (9, 1420210), (10, 1278189), (11, 1161990), (15, 852126), (18, 710105), (22, 580995), (30, 426063), (33, 387330), (45, 284042), (55, 232398), (66, 193665), (90, 142021), (99, 129110), (110, 116199), (165, 77466), (198, 64555), (330, 38733), (495, 25822), (990, 12911)]