28256193

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3769}}^1$

素因数の和:3806

約数の個数: 36

約数和(自身を含む): 50284260

約数和(自身を除く): 22028067

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 3769, 7497, 11307, 26383, 33921, 64073, 79149, 184681, 192219, 237447, 448511, 554043, 576657, 1345533, 1662129, 3139577, 4036599, 9418731, 28256193]

約数ペア:

[(1, 28256193), (3, 9418731), (7, 4036599), (9, 3139577), (17, 1662129), (21, 1345533), (49, 576657), (51, 554043), (63, 448511), (119, 237447), (147, 192219), (153, 184681), (357, 79149), (441, 64073), (833, 33921), (1071, 26383), (2499, 11307), (3769, 7497)]