28648347

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1039}}^1$

素因数の和:1163

約数の個数: 32

約数和(自身を含む): 47523840

約数和(自身を除く): 18875493

約数列:

[1, 3, 7, 13, 21, 39, 91, 101, 273, 303, 707, 1039, 1313, 2121, 3117, 3939, 7273, 9191, 13507, 21819, 27573, 40521, 94549, 104939, 283647, 314817, 734573, 1364207, 2203719, 4092621, 9549449, 28648347]

約数ペア:

[(1, 28648347), (3, 9549449), (7, 4092621), (13, 2203719), (21, 1364207), (39, 734573), (91, 314817), (101, 283647), (273, 104939), (303, 94549), (707, 40521), (1039, 27573), (1313, 21819), (2121, 13507), (3117, 9191), (3939, 7273)]