28842081

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 42283008

約数和(自身を除く): 13440927

約数列:

[1, 3, 17, 51, 61, 73, 127, 183, 219, 381, 1037, 1241, 2159, 3111, 3723, 4453, 6477, 7747, 9271, 13359, 23241, 27813, 75701, 131699, 157607, 227103, 395097, 472821, 565531, 1696593, 9614027, 28842081]

約数ペア:

[(1, 28842081), (3, 9614027), (17, 1696593), (51, 565531), (61, 472821), (73, 395097), (127, 227103), (183, 157607), (219, 131699), (381, 75701), (1037, 27813), (1241, 23241), (2159, 13359), (3111, 9271), (3723, 7747), (4453, 6477)]