28074837

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4139}}^1$

素因数の和:4185

約数の個数: 32

約数和(自身を含む): 47692800

約数和(自身を除く): 19617963

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 4139, 6783, 12417, 28973, 70363, 78641, 86919, 211089, 235923, 492541, 550487, 1336897, 1477623, 1651461, 4010691, 9358279, 28074837]

約数ペア:

[(1, 28074837), (3, 9358279), (7, 4010691), (17, 1651461), (19, 1477623), (21, 1336897), (51, 550487), (57, 492541), (119, 235923), (133, 211089), (323, 86919), (357, 78641), (399, 70363), (969, 28973), (2261, 12417), (4139, 6783)]