289661115

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1\times {\mathrm{821}}^1$

素因数の和:1419

約数の個数: 32

約数和(自身を含む): 475681536

約数和(自身を除く): 186020421

約数列:

[1, 3, 5, 15, 43, 129, 215, 547, 645, 821, 1641, 2463, 2735, 4105, 8205, 12315, 23521, 35303, 70563, 105909, 117605, 176515, 352815, 449087, 529545, 1347261, 2245435, 6736305, 19310741, 57932223, 96553705, 289661115]

約数ペア:

[(1, 289661115), (3, 96553705), (5, 57932223), (15, 19310741), (43, 6736305), (129, 2245435), (215, 1347261), (547, 529545), (645, 449087), (821, 352815), (1641, 176515), (2463, 117605), (2735, 105909), (4105, 70563), (8205, 35303), (12315, 23521)]