81184125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19681}}^1$

素因数の和:19710

約数の個数: 32

約数和(自身を含む): 147378816

約数和(自身を除く): 66194691

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 19681, 59043, 98405, 216491, 295215, 492025, 649473, 1082455, 1476075, 2460125, 3247365, 5412275, 7380375, 16236825, 27061375, 81184125]

約数ペア:

[(1, 81184125), (3, 27061375), (5, 16236825), (11, 7380375), (15, 5412275), (25, 3247365), (33, 2460125), (55, 1476075), (75, 1082455), (125, 649473), (165, 492025), (275, 295215), (375, 216491), (825, 98405), (1375, 59043), (4125, 19681)]