28565559

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1543}}^1$

素因数の和:1588

約数の個数: 36

約数和(自身を含む): 48052368

約数和(自身を除く): 19486809

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 121, 153, 187, 363, 561, 1089, 1543, 1683, 2057, 4629, 6171, 13887, 16973, 18513, 26231, 50919, 78693, 152757, 186703, 236079, 288541, 560109, 865623, 1680327, 2596869, 3173951, 9521853, 28565559]

約数ペア:

[(1, 28565559), (3, 9521853), (9, 3173951), (11, 2596869), (17, 1680327), (33, 865623), (51, 560109), (99, 288541), (121, 236079), (153, 186703), (187, 152757), (363, 78693), (561, 50919), (1089, 26231), (1543, 18513), (1683, 16973), (2057, 13887), (4629, 6171)]