54381375

素因数分解:

$3^4\times 5^3\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 80

約数和(自身を含む): 104648544

約数和(自身を除く): 50267169

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 81, 123, 125, 131, 135, 205, 225, 369, 375, 393, 405, 615, 655, 675, 1025, 1107, 1125, 1179, 1845, 1965, 2025, 3075, 3275, 3321, 3375, 3537, 5125, 5371, 5535, 5895, 9225, 9825, 10125, 10611, 15375, 16113, 16375, 16605, 17685, 26855, 27675, 29475, 46125, 48339, 49125, 53055, 80565, 83025, 88425, 134275, 138375, 145017, 147375, 241695, 265275, 402825, 415125, 435051, 442125, 671375, 725085, 1208475, 1326375, 2014125, 2175255, 3625425, 6042375, 10876275, 18127125, 54381375]

約数ペア:

[(1, 54381375), (3, 18127125), (5, 10876275), (9, 6042375), (15, 3625425), (25, 2175255), (27, 2014125), (41, 1326375), (45, 1208475), (75, 725085), (81, 671375), (123, 442125), (125, 435051), (131, 415125), (135, 402825), (205, 265275), (225, 241695), (369, 147375), (375, 145017), (393, 138375), (405, 134275), (615, 88425), (655, 83025), (675, 80565), (1025, 53055), (1107, 49125), (1125, 48339), (1179, 46125), (1845, 29475), (1965, 27675), (2025, 26855), (3075, 17685), (3275, 16605), (3321, 16375), (3375, 16113), (3537, 15375), (5125, 10611), (5371, 10125), (5535, 9825), (5895, 9225)]