28795599

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 49520640

約数和(自身を除く): 20725041

約数列:

[1, 3, 7, 9, 21, 59, 61, 63, 127, 177, 183, 381, 413, 427, 531, 549, 889, 1143, 1239, 1281, 2667, 3599, 3717, 3843, 7493, 7747, 8001, 10797, 22479, 23241, 25193, 32391, 52451, 54229, 67437, 69723, 75579, 157353, 162687, 226737, 457073, 472059, 488061, 1371219, 3199511, 4113657, 9598533, 28795599]

約数ペア:

[(1, 28795599), (3, 9598533), (7, 4113657), (9, 3199511), (21, 1371219), (59, 488061), (61, 472059), (63, 457073), (127, 226737), (177, 162687), (183, 157353), (381, 75579), (413, 69723), (427, 67437), (531, 54229), (549, 52451), (889, 32391), (1143, 25193), (1239, 23241), (1281, 22479), (2667, 10797), (3599, 8001), (3717, 7747), (3843, 7493)]