282982371

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{1103}}^1$

素因数の和:1775

約数の個数: 32

約数和(自身を含む): 455024640

約数和(自身を除く): 172042269

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 643, 1103, 1929, 3309, 4501, 7721, 12217, 13503, 20957, 23163, 36651, 62871, 85519, 146699, 256557, 440097, 709229, 2127687, 4964603, 13475351, 14893809, 40426053, 94327457, 282982371]

約数ペア:

[(1, 282982371), (3, 94327457), (7, 40426053), (19, 14893809), (21, 13475351), (57, 4964603), (133, 2127687), (399, 709229), (643, 440097), (1103, 256557), (1929, 146699), (3309, 85519), (4501, 62871), (7721, 36651), (12217, 23163), (13503, 20957)]