68784261

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{14821}}^1$

素因数の和:14861

約数の個数: 32

約数和(自身を含む): 119524608

約数和(自身を除く): 50740347

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 14821, 44463, 103747, 192673, 251957, 311241, 578019, 755871, 1348711, 1763699, 3275441, 4046133, 5291097, 9826323, 22928087, 68784261]

約数ペア:

[(1, 68784261), (3, 22928087), (7, 9826323), (13, 5291097), (17, 4046133), (21, 3275441), (39, 1763699), (51, 1348711), (91, 755871), (119, 578019), (221, 311241), (273, 251957), (357, 192673), (663, 103747), (1547, 44463), (4641, 14821)]