28210497

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4159}}^1$

素因数の和:4205

約数の個数: 32

約数和(自身を含む): 47923200

約数和(自身を除く): 19712703

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 4159, 6783, 12477, 29113, 70703, 79021, 87339, 212109, 237063, 494921, 553147, 1343357, 1484763, 1659441, 4030071, 9403499, 28210497]

約数ペア:

[(1, 28210497), (3, 9403499), (7, 4030071), (17, 1659441), (19, 1484763), (21, 1343357), (51, 553147), (57, 494921), (119, 237063), (133, 212109), (323, 87339), (357, 79021), (399, 70703), (969, 29113), (2261, 12477), (4159, 6783)]