28239975

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 57853440

約数和(自身を除く): 29613465

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 27, 45, 51, 69, 75, 85, 107, 115, 135, 153, 207, 225, 255, 321, 345, 391, 425, 459, 535, 575, 621, 675, 765, 963, 1035, 1173, 1275, 1605, 1725, 1819, 1955, 2295, 2461, 2675, 2889, 3105, 3519, 3825, 4815, 5175, 5457, 5865, 7383, 8025, 9095, 9775, 10557, 11475, 12305, 14445, 15525, 16371, 17595, 22149, 24075, 27285, 29325, 36915, 41837, 45475, 49113, 52785, 61525, 66447, 72225, 81855, 87975, 110745, 125511, 136425, 184575, 209185, 245565, 263925, 332235, 376533, 409275, 553725, 627555, 1045925, 1129599, 1227825, 1661175, 1882665, 3137775, 5647995, 9413325, 28239975]

約数ペア:

[(1, 28239975), (3, 9413325), (5, 5647995), (9, 3137775), (15, 1882665), (17, 1661175), (23, 1227825), (25, 1129599), (27, 1045925), (45, 627555), (51, 553725), (69, 409275), (75, 376533), (85, 332235), (107, 263925), (115, 245565), (135, 209185), (153, 184575), (207, 136425), (225, 125511), (255, 110745), (321, 87975), (345, 81855), (391, 72225), (425, 66447), (459, 61525), (535, 52785), (575, 49113), (621, 45475), (675, 41837), (765, 36915), (963, 29325), (1035, 27285), (1173, 24075), (1275, 22149), (1605, 17595), (1725, 16371), (1819, 15525), (1955, 14445), (2295, 12305), (2461, 11475), (2675, 10557), (2889, 9775), (3105, 9095), (3519, 8025), (3825, 7383), (4815, 5865), (5175, 5457)]