28497285

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{251}}^1$

素因数の和:323

約数の個数: 48

約数和(自身を含む): 52678080

約数和(自身を除く): 24180795

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 251, 261, 435, 753, 783, 841, 1255, 1305, 2259, 2523, 3765, 3915, 4205, 6777, 7279, 7569, 11295, 12615, 21837, 22707, 33885, 36395, 37845, 65511, 109185, 113535, 196533, 211091, 327555, 633273, 982665, 1055455, 1899819, 3166365, 5699457, 9499095, 28497285]

約数ペア:

[(1, 28497285), (3, 9499095), (5, 5699457), (9, 3166365), (15, 1899819), (27, 1055455), (29, 982665), (45, 633273), (87, 327555), (135, 211091), (145, 196533), (251, 113535), (261, 109185), (435, 65511), (753, 37845), (783, 36395), (841, 33885), (1255, 22707), (1305, 21837), (2259, 12615), (2523, 11295), (3765, 7569), (3915, 7279), (4205, 6777)]