31493275

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:420

約数の個数: 36

約数和(自身を含む): 44528400

約数和(自身を除く): 13035125

約数列:

[1, 5, 11, 25, 29, 55, 121, 145, 275, 319, 359, 605, 725, 1595, 1795, 3025, 3509, 3949, 7975, 8975, 10411, 17545, 19745, 43439, 52055, 87725, 98725, 114521, 217195, 260275, 572605, 1085975, 1259731, 2863025, 6298655, 31493275]

約数ペア:

[(1, 31493275), (5, 6298655), (11, 2863025), (25, 1259731), (29, 1085975), (55, 572605), (121, 260275), (145, 217195), (275, 114521), (319, 98725), (359, 87725), (605, 52055), (725, 43439), (1595, 19745), (1795, 17545), (3025, 10411), (3509, 8975), (3949, 7975)]