16405125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 30820608

約数和(自身を除く): 14415483

約数列:

[1, 3, 5, 11, 15, 25, 33, 41, 55, 75, 97, 123, 125, 165, 205, 275, 291, 375, 451, 485, 615, 825, 1025, 1067, 1353, 1375, 1455, 2255, 2425, 3075, 3201, 3977, 4125, 5125, 5335, 6765, 7275, 11275, 11931, 12125, 15375, 16005, 19885, 26675, 33825, 36375, 43747, 56375, 59655, 80025, 99425, 131241, 133375, 169125, 218735, 298275, 400125, 497125, 656205, 1093675, 1491375, 3281025, 5468375, 16405125]

約数ペア:

[(1, 16405125), (3, 5468375), (5, 3281025), (11, 1491375), (15, 1093675), (25, 656205), (33, 497125), (41, 400125), (55, 298275), (75, 218735), (97, 169125), (123, 133375), (125, 131241), (165, 99425), (205, 80025), (275, 59655), (291, 56375), (375, 43747), (451, 36375), (485, 33825), (615, 26675), (825, 19885), (1025, 16005), (1067, 15375), (1353, 12125), (1375, 11931), (1455, 11275), (2255, 7275), (2425, 6765), (3075, 5335), (3201, 5125), (3977, 4125)]