31027425

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 60954432

約数和(自身を除く): 29927007

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 121, 143, 165, 195, 263, 275, 325, 363, 429, 605, 715, 789, 825, 975, 1315, 1573, 1815, 2145, 2893, 3025, 3419, 3575, 3945, 4719, 6575, 7865, 8679, 9075, 10257, 10725, 14465, 17095, 19725, 23595, 31823, 37609, 39325, 43395, 51285, 72325, 85475, 95469, 112827, 117975, 159115, 188045, 216975, 256425, 413699, 477345, 564135, 795575, 940225, 1241097, 2068495, 2386725, 2820675, 6205485, 10342475, 31027425]

約数ペア:

[(1, 31027425), (3, 10342475), (5, 6205485), (11, 2820675), (13, 2386725), (15, 2068495), (25, 1241097), (33, 940225), (39, 795575), (55, 564135), (65, 477345), (75, 413699), (121, 256425), (143, 216975), (165, 188045), (195, 159115), (263, 117975), (275, 112827), (325, 95469), (363, 85475), (429, 72325), (605, 51285), (715, 43395), (789, 39325), (825, 37609), (975, 31823), (1315, 23595), (1573, 19725), (1815, 17095), (2145, 14465), (2893, 10725), (3025, 10257), (3419, 9075), (3575, 8679), (3945, 7865), (4719, 6575)]