31142375

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 13673305

約数列:

[1, 5, 11, 25, 29, 55, 71, 121, 125, 145, 275, 319, 355, 605, 725, 781, 1375, 1595, 1775, 2059, 3025, 3509, 3625, 3905, 7975, 8591, 8875, 10295, 15125, 17545, 19525, 22649, 39875, 42955, 51475, 87725, 97625, 113245, 214775, 249139, 257375, 438625, 566225, 1073875, 1245695, 2831125, 6228475, 31142375]

約数ペア:

[(1, 31142375), (5, 6228475), (11, 2831125), (25, 1245695), (29, 1073875), (55, 566225), (71, 438625), (121, 257375), (125, 249139), (145, 214775), (275, 113245), (319, 97625), (355, 87725), (605, 51475), (725, 42955), (781, 39875), (1375, 22649), (1595, 19525), (1775, 17545), (2059, 15125), (3025, 10295), (3509, 8875), (3625, 8591), (3905, 7975)]