28110225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2621}}^1$

素因数の和:2658

約数の個数: 48

約数和(自身を含む): 54621504

約数和(自身を除く): 26511279

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 2145, 2621, 3575, 7863, 10725, 13105, 28831, 34073, 39315, 65525, 86493, 102219, 144155, 170365, 196575, 374803, 432465, 511095, 720775, 851825, 1124409, 1874015, 2162325, 2555475, 5622045, 9370075, 28110225]

約数ペア:

[(1, 28110225), (3, 9370075), (5, 5622045), (11, 2555475), (13, 2162325), (15, 1874015), (25, 1124409), (33, 851825), (39, 720775), (55, 511095), (65, 432465), (75, 374803), (143, 196575), (165, 170365), (195, 144155), (275, 102219), (325, 86493), (429, 65525), (715, 39315), (825, 34073), (975, 28831), (2145, 13105), (2621, 10725), (3575, 7863)]