243356715

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{941}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 483178176

約数和(自身を除く): 239821461

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 821, 941, 2463, 2823, 4105, 4705, 5747, 6587, 7389, 8469, 12315, 14115, 17241, 19761, 28735, 32935, 36945, 42345, 51723, 59283, 86205, 98805, 258615, 296415, 772561, 2317683, 3862805, 5407927, 6953049, 11588415, 16223781, 27039635, 34765245, 48671343, 81118905, 243356715]

約数ペア:

[(1, 243356715), (3, 81118905), (5, 48671343), (7, 34765245), (9, 27039635), (15, 16223781), (21, 11588415), (35, 6953049), (45, 5407927), (63, 3862805), (105, 2317683), (315, 772561), (821, 296415), (941, 258615), (2463, 98805), (2823, 86205), (4105, 59283), (4705, 51723), (5747, 42345), (6587, 36945), (7389, 32935), (8469, 28735), (12315, 19761), (14115, 17241)]