81129675

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3391}}^1$

素因数の和:3444

約数の個数: 48

約数和(自身を含む): 151418880

約数和(自身を除く): 70289205

約数列:

[1, 3, 5, 11, 15, 25, 29, 33, 55, 75, 87, 145, 165, 275, 319, 435, 725, 825, 957, 1595, 2175, 3391, 4785, 7975, 10173, 16955, 23925, 37301, 50865, 84775, 98339, 111903, 186505, 254325, 295017, 491695, 559515, 932525, 1081729, 1475085, 2458475, 2797575, 3245187, 5408645, 7375425, 16225935, 27043225, 81129675]

約数ペア:

[(1, 81129675), (3, 27043225), (5, 16225935), (11, 7375425), (15, 5408645), (25, 3245187), (29, 2797575), (33, 2458475), (55, 1475085), (75, 1081729), (87, 932525), (145, 559515), (165, 491695), (275, 295017), (319, 254325), (435, 186505), (725, 111903), (825, 98339), (957, 84775), (1595, 50865), (2175, 37301), (3391, 23925), (4785, 16955), (7975, 10173)]